Kaewsombat S, Thongchan P, Palajit S. Development of Learning Activity Packages of Food Processing Using Project Based Learning and Co-operative Learning to Influence Practical Skills, Creative Thinking, and Learning Achievement of Seventh Grade Students . J Roi Et [Internet]. 2020 Aug. 20 [cited 2024 May 3];14(2):114-25. Available from: https://so03.tci-thaijo.org/index.php/reru/article/view/222196