(3QSGdI GdGYVGA eY OQGSI Mhd GHf GdfajS hefgLg hGHOGYGJg (B/ s - (3jhSa RjOGfs; (3GHf GdfajS (B: (3YdGAGdOjf Ydi Hf GHi GdMRe GdbQTi GdOeTbi GdTGaYis ([S.N] : (3GdOGQ GdeUQjI GddHfGfjI , s, 1991)
Keywords: (3GdWHs; (3GdMVGQI GdYQHjI GdGSdGejI (B- (3GdeYGQa GdHMQjIs; (3GdJQGKs; (3GdYdhe YfO GdYQHs; (3GdJTQjMs; (3GdGYVGA hGdGfSLIs