Watcharaporn Niawbubpha, Saiphin Siharak. “The Learning Management of 7-Step Inquiry Learning Together With Collaborative Learning to Enhance Learning Achievement and Collaborative Learning Skills in Science of Secondary 3 (Grade 9) Students”. International Journal of Advanced Science and Technology, Vol. 29, no. 4s, June 2020, pp. 3553-7, http://sersc.org/journals/index.php/IJAST/article/view/23511.