(3GdYde hGdJcfhdhLjG ai GSQGFjd (B1980 - 1981: (3JQLeGJ eNJGQI ef eUGOQ YHQjI (B/ s - (3SejQ LHhQ (B((3eJQLe(B)s; (3eDSSI GdOQGSGJ GdadSWjfjIs ([S.N] : (3eDSSI GdOQGSGJ GdadSWjfjI , s, 1982)
Keywords: (3GdYUQ GdMOjKs; (3JGQjNs; (3GSQGFjds