(3PcQjGJ hhLhg hbUU ef GdeSQM (B/ s - (3Rci WdjeGJs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1981)
Keywords: (3GdeSQMs; (3GdeeKdhf hGdeeKdGJs; (3JGQjN hfbOs