(3af GdOQGeG YfO QTGO QTOi (B/ s - (3fHjd QGZHs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1988)
Keywords: (3GdGOH GdYQHis; (3eUQs; (3GdJCdja GdeSQMis; (3GdeSQM GdYQHis; (3QTGO QTOis; (3JGQjN hfbOs