(3cJGH GdaGNQ (B/ s - (3GdeaVd Hf Sdeg, CHh WGdH GdeaVd Hf Sdegs; (3GSJhQi, TGdS GfHQhSs ((3GdbGgQI (B:s (3OGQ GdaQLGfj,s, 1982)
Keywords: (3COH YQHjs; (3GdeJfhYGJs