(3QO GdbGVi Yf fXQ GdNUheI ai GdTQjYI GdESdGejI (B: s (3eY GdJWHjb Ydi bGfhf GdeQGaYGJ GdTQYi ai Gdjef (B/ s - (3GHQGgje eMeO MSjf GdTQais; (3jhSa bGSe (B: s; (3LGeYI GdbGgQIs (3cdjI GdMbhbs ((3GdbGgQI (B: s (3cdjI GdMbhb (B- (3LGeYI GdbGgQI , s, 1990)
(3GWQhMI(B((3OcJhQGg(B) - (3LGeYI GdbGgQI (B- (3cdjI GdMbhb (B- (3bSe bGfhf GdeQGaYGJ (B1990s
Keywords: (3bGfhf GdeQGaYGJs; (3GdbGfhf Gdjefi s; (3QO GdbGVi aj GdTQjYI GdESdGejIs; (3CSHGH QO GdbGVjs; (3ELQGAGJ GdQOs; (3GdMce aj WdH GdQOs; (3QSGFd LGeYjIs -- (3LGeYI GdbGgQIs -- (3cdjI GdMbhb s