(3GdebJWa ef GRGgQ GdWQa (B/ s - (3Ydi Hf SYjO, GHhGdMSfs; (3SjO Mfai MSfjf (B((3JMbjb(B)s ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1983)
Keywords: (3GdGOH GdYQHis; (3GdGfOdSs; (3GdeLehYGJs