Phetsirin Tunkham และผู้แต่งคนอื่นๆ. (2016) Development of STEM activities in Chemistry on "Protein" to enhance 21st century learning skills for senior high school students. <i>Silpakorn University Journal of Social Sciences, Humanities, and Arts</i>, <i>16</i>(3), 217-234.Phetsirin Tunkham และผู้แต่งคนอื่นๆ. "Development of STEM activities in Chemistry on "Protein" to enhance 21st century learning skills for senior high school students". Silpakorn University Journal of Social Sciences, Humanities, and Arts 16 (2016):217-234.Phetsirin Tunkham และผู้แต่งคนอื่นๆ. Development of STEM activities in Chemistry on "Protein" to enhance 21st century learning skills for senior high school students. Silpakorn University Research and Development Institute:ม.ป.ท. 2016.