(3KhQI GdYbd (B: s (3OQGSI adSajI aj GdacQ eYJRdI HZOGO(B/ s - (3GdQGhj , YHO GdSJGQ YR GdOjf s ((3HZOGO (B: s (3OGQ GdQTjO , s, 1982)
Keywords: (3GdeYJRdI (B((3Yde GdcdGe (B) s