(3edGeM GdTNUjI GdadSWjfjI ai GeKGdgG GdTYHjI (B/ s - (3Sdje YQaGJ GdeHjVs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1990)
Keywords: (3GdahdcdhQs; (3GdGOH GdTYHis; (3GdGeKGd GdYGejIs; (3GdGeKGd GdYQHjI (B- (3adSWjfs