(3GdQhGjI ai COH SYO ecGhi (B/ s - (3Thbi HOQ jhSas ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1990)
Keywords: (3GdGOH GdYQHis; (3GdYUQ GdMOjKs; (3GdbUU GdYQHjIs; (3eUQs; (3SYO ecGhis; (3JGQjN hfbOs