(3GdNOeI GdGLJeGYjI hGdJZjQ GdGLJeGYi (B/ s - (3GdaGQhb Rci jhfSs ([S.N] : (3YGde GdcJH GdMOjK , s, 1978)
Keywords: (3GdNOeI GdGLJeGYjIs; (3GdJZjQ GdGLJeGYis