student organizations are active at social, political, cultural and welfare areas of student life. they have individual and systematic functions in those areas of student life. they have individual and systematic functions in that area too. their presence in university is necessary. this article describes their important functions. student organizations are active at social, political, cultural...

This paper will provide management suggestions for the Ngorongoro Conservation Area (NCA) General Management Plan of 1996, with much focus on the valuable resources shared by the Maasai and wildlife. It will also summarize the creation of the Ngorongoro Crater, provide a history of human existence in Ngorongoro, describe the wildlife of Ngorongoro, and discuss current management of the Conserva...

background: quality of life (qol) is increasingly recognized as an important outcome measure in dermatology. psoriasis has a great impact on qol of patients, and has a strong effect on social relations, psychological status, and daily activities. this study describe and compare the impact of different grades of severity of psoriasis on qol of patients in north of iran. methods: this cross‑secti...