Kumdeeboon J, Sonsupee D. Blended Supervision Approach for Teachers Proactive Learning Management under Schools of Secondary Educational Service Area Office Nongkhai. GS KKU HS [internet]. 2024 Oct. 8 [cited 2026 Sep. 29];12(2):54-66. available from: https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/272275