More than a billion people do not have access o electricity, so it is important to find ways generate power close where they live. Hybrid energy systems can be made and used electricity for homes businesses that are connected national or regional grids. yield greater environmental economic returns stand-alone geothermal, solar, wind, bigenerational systems. The goal of this paper simulate hybri...

The study aimed to examine the challenges faced by teachers and students at Islamabad Postgraduate Colleges during COVID-19. main objectives of were COVID-19, analyze compare In Islamabad; there seven postgraduate colleges for women. population this consists on all these colleges. Using Gay’s suggestion, researcher selected 10% through random sampling technique purpose data collection. order me...