Maneewong P, Maneewong S. PROBLEM BASED LEARNING MODEL DEVELOPMENT AND COMMUNITY PRODECT UPGRADE: A CASE STUDY BENEFITS AND OUTCOMES TO THE MANAGEMENT OF PRODUCTION COSTS. SWRD. J. Humanit. Soc. Sci. [internet]. 2024 Oct. 31 [cited 2025 Apr. 26];16(32, July-December):1-17, Article 266060. available from: https://so04.tci-thaijo.org/index.php/swurd/article/view/266060