(3GdRef GdebJhd aj OjQ GdYGbhd (B: s (3JTNUjI eYGUQI Yf Ref GdeJfHj GdebJhd (B/ s - (3cGXe, YGOds ((3HZOGO (B:s (3hRGQI GdKbGaI,s, 1977)
(3UOQ HefGSHI egQLGf GdeJfHj(B( (3HZOGO (B: (3JTQjf GdKGfj (B: 1977)s
Keywords: (3GdeSQMjGJ GdYQHjIs; (3GdYQGbs