Sumrankit Y. DEVELOPING A COLLABORATIVE NETWORK MODEL FOR SUCCESSFUL MANAGEMENT OF DRUG-FREE AND VICE-FREE WHITE SCHOOLS IN THE PRACHINBURI PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1. JYRI [internet]. 2024 Dec. 26 [cited 2026 Sep. 28];15(2):54-68. available from: https://so04.tci-thaijo.org/index.php/yri/article/view/276869