1.
Chenram K, Wongsaphan M. Developing Problem-Based Activities on Inductive Learning in Social Studies for Mutthayom Suksa 1 Students. CPY [internet]. 2017 Dec. 26 [cited 2026 Sep. 12];28(3):63-70. available from: https://so01.tci-thaijo.org/index.php/ejChophayom/article/view/107039