(3eONd Gdi GdGdSfjI eY JeGQjf JWHjbjI (B/ s - (3Hhd aGjQs; (3cQjSJjGf fGjdhfs; (3WdGd hgHg (B((3eJQLe(B)s ([S.N] : (3GdeQcR GdKbGai GdYQHi , s, 1991)
Keywords: (3Yde GddZIs; (3Yde GdGUhGJs; (3GddSGfjGJs