Sian Hui Tan และผู้แต่งคนอื่นๆ. (2020) Synthesis of thiazolo- and benzothiazolo[3,2-a]pyrimidine derivativesusing onion peel as natural catalyst. <i>Songklanakarin Journal of Science and Technology</i>, <i>42</i>(1), 57-64.Sian Hui Tan และผู้แต่งคนอื่นๆ. "Synthesis of thiazolo- and benzothiazolo[3,2-a]pyrimidine derivativesusing onion peel as natural catalyst". Songklanakarin Journal of Science and Technology 42 (2020):57-64.Sian Hui Tan และผู้แต่งคนอื่นๆ. Synthesis of thiazolo- and benzothiazolo[3,2-a]pyrimidine derivativesusing onion peel as natural catalyst. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2020.