(3Mbhb GdGfSGf (B/ s - (3HSjhfj, eMehO TQjas; (3GdObGb, eMehO SYjO , hRjQ YHO GdYXjes ((3HjQhJ(B:s (3OGQ GdYde ddedGjjf,s, 1989)
(3GdeLdO GdKGdK(B: (3OQGSGJ JWHjbjI Yf GdYGde GdYQHjs
Keywords: (3Mbhb GdGfSGfs