environmental protection is a key element in urban management. due to complex relationships between human and environment in metropolises the importance of environment is ever-increasing. in this paper the current situation of environment in tehran metropolis including air, water, biodiversity and human habitat along with the most crucial threats, their effect as well as the associated agencies...

introduction: the importance of optimal clinical nursing education in professional skills development is undeniable. in clinical education, nursing students are often faced with problems. recognizing nursing students’ perception on clinical education is the first step to remove the barriers of this challenge. methods: this descriptive cross-sectional study was conducted to determine the nursing...