(3GdTYQ(B: (3Hjf GdQDjG hGdJTcjd (B/ s - (3YHOGdYRjR GdebGdMs ([S.N] : (3OGQ WdGS ddOQGSGJ hGdJQLeI , s, 1985)
Keywords: (3GdTYQ GdYQHis; (3OhGhjf hbUGFOs; (3JGQjN hfbOs