(3GdebGheI ai bWGY ZRI (B/ s - (3eMeO NGdO GdGRYQs ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1987)
Keywords: (3JGQjNs; (3adSWjfs; (3GdebGheI GdadSWjfjIs; (3GdebGheI GdTYHjIs; (3GdGMJdGd GdUgjhfis; (3GdaOGFjhf GdadSWjfjhfs