(3GdeSQM hGdSdWI ai eUQ ef (B1952_ 1970 / s - (3aGWeI jhSa eMeOs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1993)
Keywords: (3GdGOH GdYQHis; (3GdeSQMjGJs; (3JGQjN hfbOs