(3GdOQhjT hGdZGRjI (B: (3chejOjG ZfGFjI TYHjI aGfWGRjI (B/ s - (3eMeO YfGfis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1994)
Keywords: (3GdGOH GdYQHis; (3GdeSQMjGJ GdchejOjIs; (3GdeSQMjGJ GdYQHjIs