(3GdCeGf GdGLJeGYj(B:s (3GdfXQjI GdYGeI eY OQGSI JWHjbjI aj GdJTQjY GddjHj(B/s - (3eMeO YHOGdNGdb YeQs; (3LGeYI GdbGgQIs (3cdjI GdMbhbs ((3GdbGgQI(B:s (3cdjI GdMbhb (B- (3LGeYI GdbGgQI ,s, 1971)
Keywords: (3JCejf GdYfGjI GdWHjI s; (3GdJCejf GdGNJjGQis; (3GUGHI GdYeds; (3EYGfI GdOaf eYGT s; (3VO GdHWGdIs; (3GYJdGd GdUMI GdJCejfs