(3eYLe GddZI GdYQHjI GdeYGUQI YQHj(B- (3GGfcdjRj (B/s ((3dHfGf(B- (3HjQhJ(B;(3dfOf (B:s (3ecJHI dHfGf HjQhJ(B;(3ecOhfGdO hGjbGfS djeJO dfOf ,s, 1980)
Keywords: (3GddZI GdYQHjI s; (3GdeYGUQI s; (3YQHjs; (3eYLe s