Rujinan Euapitaksakul และ Yubol Benjarongkij. (2023) Causal factors in the purchase Decisions OfHealth products via online ChannelsOf the thai elderly   . National Institute of Development Administration:ม.ป.ท.Rujinan Euapitaksakul และ Yubol Benjarongkij. 2023. Causal factors in the purchase Decisions OfHealth products via online ChannelsOf the thai elderly   . ม.ป.ท.:National Institute of Development Administration;Rujinan Euapitaksakul และ Yubol Benjarongkij. Causal factors in the purchase Decisions OfHealth products via online ChannelsOf the thai elderly   . ม.ป.ท.:National Institute of Development Administration, 2023. Print.