Udom Tipparach และ Teerawat Piromjitpong; Cherdchai Wuttiya; Supanasa Chimjarn. (2024) The design of STEM activities on thermal properties of matter for primary students. <i>Journal of Science and Science Education</i>, <i>7</i>(2), 456-466.Udom Tipparach และ Teerawat Piromjitpong; Cherdchai Wuttiya; Supanasa Chimjarn. "The design of STEM activities on thermal properties of matter for primary students". Journal of Science and Science Education 7 (2024):456-466.Udom Tipparach และ Teerawat Piromjitpong; Cherdchai Wuttiya; Supanasa Chimjarn. The design of STEM activities on thermal properties of matter for primary students. Faculty of Science, Ubon Ratchathani University:ม.ป.ท. 2024.