(3GeSjGJ eSQMjI (B/ s - (3fgGO UdjMIs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdeSQMjGJs; (3GdJCdja GdeSQMis; (3JGQjN hfbOs