In this paper, closed forms of the summation formulas ∑nk=0 xkWmk+j for generalized Fibonacci numbers are presented. As special cases, we give summation formulas of Fibonacci, Lucas, Pell, Pell-Lucas, Jacobsthal, Jacobsthal-Lucas numbers. We present the proofs to indicate how the...
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Research Article10.9734/acri/2021/v21i330235
Aims: We employed a discrete choice experiment (DCE) to investigate students’ preferences for mobile telecommunication plans in a South African University. Study design: Locally optimal DCE were constructed for our choice sets using readily available ideas from blocked fractional...
Open access
Research Article10.9734/acri/2021/v21i330234
Malaria is a parasitic disease endemic in Sub-Saharan Africa especially in Cameroon. Pregnancy is associated with increased susceptibility to malaria. Closely associated to malaria is anaemia. It is generally accepted that pregnancy ends with childbirth. The outcome of the pregna...
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Research Article10.9734/acri/2021/v21i230233
Aims: To study the prevalence and identification of non-dermatophytic molds associated with cattle in Abia and Imo States, Nigeria. Study Design: The systematic random sampling method was adopted. Place and Duration of Study: A total of 2255 cattle was encountered, out of which 4...
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Research Article10.9734/acri/2021/v21i230232
Most of the service organizations are now moving to provide their services at a remote basis with Self-Service Technologies (SSTs). This is a natural outcome of technological maturity and would be the norm of many service transactions in future. Currently in many of the services,...
Open access
Research Article10.9734/acri/2021/v21i230231
The coronary circulation has been the centre of focus of many anatomists, pathologists, cardiologists, cardiothoracic surgeons, physiologists and even the general public especially since the introduction of coronary angiography during the 1960's. Though a large number of data reg...
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Research Article10.9734/acri/2021/v21i230230
In this study we consider Archimedean copula functions to obtain estimates of cause-specific distribution functions in bivariate competing risks set up. We assume that two failure times of the same group are dependent and this dependency can be modeled by an Archimedean copula. B...
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Research Article10.9734/acri/2021/v21i230229
Background: In the last few decades, there has been a significant increase in women's participation in gainful employment in Sub-Saharan Africa (SSA). This scooping review has primarily aimed at assessing the key determinants and effects of women's involvement in the labor force...
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Research Article10.9734/acri/2021/v21i230228
This research was carried out to evaluate the impact of vehicular traffic, on the soil and grasses growing along major roadsides in Delta state, Nigeria. Soil and Guinea grass samples were collected from three major roads, and a control point in Delta State. The collected samples...
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Research Article10.9734/acri/2021/v21i130227
Forest products play a vital role in our lives in many ways we can imagine. Berries, for example, are still an important source of food, being of real use in defining a healthy diet, as well as in natural medicine. But does blueberry have other roles at the community level? Can t...
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Research Article10.9734/acri/2021/v21i130226
This study aimed at investigating the differences in attachment levels to the caregiver and the differences in interpersonal relational competence between adolescents raised in the home environment and those raised in orphanages. It was hypothesized that adolescents raised in orp...
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Research Article10.9734/acri/2021/v21i130225
Aim: This study was aimed at assessing the prevalence and factors associated with the use of sexual stimulants (aphrodisiacs) among married women in Sokoto metropolis, Sokoto state, Nigeria. Methodology: A cross-sectional study was conducted among 215 married women in Sokoto metr...
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Research Article10.9734/acri/2021/v21i130224
Aims: To determine the chemical composition of essential oil of Ageratum conyzoides with antifungal activity on the strain of Lasiodiplodia theobromae in the Kisangani region. Location and Duration of Studies: Faculty of Sciences of University of Kisangani (Democratic Republic of...
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Research Article10.9734/acri/2021/v21i130222
This study examines the relation and impact of gross capital formation and gross national saving on Nepal's Gross Domestic Product (GDP). It is based on the secondary data taken from various economics survey of Nepal and other published sources covering 33 data points from the fi...
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Research Article10.9734/acri/2021/v21i130220
Background: The disease Covid-19 has led to a great loss of million people worldwide and this disease is caused by a novel virus called SARS-CoV-2. Objective: The objective of the present study aims at examining the knowledge of Coronavirus disease (COVID -19) among the participa...
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Research Article10.9734/acri/2020/v20i830221