Yanyun และผู้แต่งคนอื่นๆ. (2020) The relationship of openness and investment based on China's provincial panel data. National Institute of Development Administration:ม.ป.ท.Yanyun และผู้แต่งคนอื่นๆ. 2020. The relationship of openness and investment based on China's provincial panel data. ม.ป.ท.:National Institute of Development Administration;Yanyun และผู้แต่งคนอื่นๆ. The relationship of openness and investment based on China's provincial panel data. ม.ป.ท.:National Institute of Development Administration, 2020. Print.