(3gi h GdHMQs - (3YbGH, ESeGYjds ((3GdbGgQIs (3O (B. (3fs, 1989)
6 16
Keywords: (3GdTYQ GdYQHj ` OhGhjf h bUGFOs; (3GdTYQ GdYQHj ` eUQ ` OhGhjf h bUGFOs