Abstract – In this research article, the multi-objective optimization model for solid waste management problem is solved by the goal programming method. The model has three objectives: total cost minimization, minimization ...

In this study, a mathematical model for the in-human host and in-mosquito dynamics of malaria parasite with immune responses was formualeted and analyzed. A positive invariant region of the model was established, and a ...

In this study, a sensitivity analysis of a multi-objective optimization model for solid waste management (SWM) for Dar es Salaam city in Tanzania is considered. Our objectives were to identify the most sensitive parameters ...

This paper discusses organizational challenges that hinder the implementation of secure remote electronic voting in Tanzania and proposes workable solutions to address the identified challenges. The work presented in ...

People living with HIV as well as AIDS patients, who do not receive proper and timely medical treatment, are open targets for all kinds of other infections owing mainly to their relatively weak immune systems. We emphasizes ...

Achieving basic nutritional recommendations for people liv-ing with HIV is important at all stages as the virus affects the immune system and renders an infected person to contract other infections easily. Poor nutrition ...

Plague is a historic disease which is also known to be the most devastating disease that ever occurred in human history, caused by gram-negative bacteria known as Yersinia pestis.The disease is mostly affected by variations ...

The increase in customer expectation in terms of cost and services rendered, coupled with competitive business environment and uncertainty in cost of raw materials have posed challenges on effective supply chain engineering ...