Srisuthum R, Udorn N, Hanrin C. GUIDELINES FOR DEVELOPING INTEGRATED LEARNING MANAGEMENT UNDER NAKHON PHANOM PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1. SN Grad J. [internet]. 2024 Sep. 30 [cited 2026 Oct. 13];21(94):88-9. available from: https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/268476