สิทธิสารภ., “Development of Teaching Sets Basing on Guidelines on STEM Education Integrated with the 7 Learning Steps of the Learning Cycle (7E) on the Topic of Polymer for Mathayom Suksa 4 Students”, Academic Journal of Mahamakut Buddhist University Roi Et Campus, vol. 8, no. 1, pp. 108-118, Jul. 2018.