Qi และผู้แต่งคนอื่นๆ. (2021) The impact of population aging on consumption structure: a case of Southwest and South China. National Institute of Development Administration:ม.ป.ท.Qi และผู้แต่งคนอื่นๆ. 2021. The impact of population aging on consumption structure: a case of Southwest and South China. ม.ป.ท.:National Institute of Development Administration;Qi และผู้แต่งคนอื่นๆ. The impact of population aging on consumption structure: a case of Southwest and South China. ม.ป.ท.:National Institute of Development Administration, 2021. Print.