(3GdefadhWi hGdfXQjGJ (B/ s - (3YHGS Hjhei YLdGfs ([S.N] : (3eDSSI THGH GdLGeYI , s, 1987)
Keywords: (3GdGOH GdYQHis; (3GdYUQ GdMOjKs; (3GdefadhWis; (3JGQjN hfbOs; (3GdeLehYGJs