(3fXQjI GdTYQ YfO bOGeI Hf LYaQ ai cJGHI fbO GdTYQ (B/ s - (3ZGRi jehJs ([S.N] : (3OGQ GdacQ GddHfGfi , s, 1992)
Keywords: (3GdTYQ GdYQHis; (3bOGeI Hf LYaQs; (3JGQjN hfbOs