(3eHGOiA GdcgQHGA hGdeZfWjSjIs - (3fjhhjfZ(B. (3a(B.s ((3ecJHI dHfGfs (3HjQhJs, 1976)
(3JQLeI Sja GdOjf HZOGOjs
Keywords: (3GdcgQHGA (B- (3eHGOjA s; (3GdeZfWjSjI (B- (3eHGOjA s