(3GdYeQ hYdGbJg HGdGHOGY dOi GdQGTOjf (B/ s - (3eMji GdOjf GMeO MSjfs ([S.N] : (3OGQ GdeYGQa , s, 1982)
Keywords: (3Yde GdfaSs; (3GdJMdjd GdfaSis; (3GdfHhZs; (3GdbOQI GdNdGbIs; (3GdGHJcGQs; (3GdbOQGJ (B( (3Yde faS (B)s; (3GdGHOGYs