Poh Wai Chia และผู้แต่งคนอื่นๆ. (2020) Acetylation of alcohols and amines catalyzed by onion peel ashunder a base- and solvent-free condition. <i>Songklanakarin Journal of Science and Technology</i>, <i>42</i>(3), 602-607.Poh Wai Chia และผู้แต่งคนอื่นๆ. "Acetylation of alcohols and amines catalyzed by onion peel ashunder a base- and solvent-free condition". Songklanakarin Journal of Science and Technology 42 (2020):602-607.Poh Wai Chia และผู้แต่งคนอื่นๆ. Acetylation of alcohols and amines catalyzed by onion peel ashunder a base- and solvent-free condition. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2020.