Thima L. Development of SEARCH-D Model learning management Model based on Constructivist theory with Activity sets to enhance Scientific process skills and Analytical thinking skills for Prathomsuksa 4 students: Development of SEARCH-D Model learning management Model based on Constructivist theory with Activity sets to enhance Scientific process skills and Analytical thinking skills for Prathomsuksa 4 students. rtnb [internet]. 2025 Dec. 31 [cited 2026 Oct. 1];7(3):311-23. available from: https://so07.tci-thaijo.org/index.php/rtnb/article/view/9161