Lertchanadecha T. The Development of Learning Management Activities Using Design Concepts to Enhance Learning Management Plan Designing Ability of Primary Education Students Ramkhamhaeng University. IARJ [internet]. 2023 Oct. 18 [cited 2025 Apr. 26];3(5):977-96. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/270944