(3OQhS GdefXeGJ GdOhdjI(B:s (3OQGSI eTcdGJ GdYedjI ddJfXje GdOhdj(B/s (3GdLRA GdKGfjs - (3YHOGdYRjR SQMGfs ((3GdbGgQI(B:s (3OGQ GdfgVI GdYQHjI(B,s, 1971)
Keywords: (3bGfhf Ohdj YGes