Evidence shows that there are numerous socioeconomic and environmental benefits from improved sanitation; conversely, numerous studies have explored the lack of access to basic sanitation and its negative impact on gross domestic product (GDP). This paper establishes the positive impacts on GDP...

Evidence shows that there are numerous socioeconomic and environmental benefits from improved sanitation; conversely, numerous studies have explored the lack of access to basic sanitation and its negative impact on gross domestic product (GDP). This paper establishes the positive impacts on GDP...

In software engineering, several formal models and tools are proposed for defining system requirements and constraints formally. Such formal definitions can help in the automatic checking and verification for them. It can also help in the automatic test case generation, execution and...