(3GdahGFO hGdRgO hGdQbGFb hGdeQGKj (B/s - (3GdNdOj, LYaQ Hf eMeO Hf fUjQGdHZOGOjs 253-348 (3gLQjs; (3GdSjO, eLOj aJMjs ((3WfWG (B- (3eUQ(B:s (3OGQ GdUMGHI ddJQGK,s, 1989)
Keywords: (3MOjKs -- (3LhGeY afhfs