Phengsakul, T.; Somkhaoyai, T.; Klubsri, S. THE DEVELOPMENT OF PARTICIPATORY STUDENT SUPPORT SYSTEM BASED ON SANGKHAHAVATTHU IV PRINCIPLES OF NETWORK CENTER 7 CHAWANG PHU TAPI UNDER NAKHON SI THAMMARAT PRIMARY EDUCATIONAL SERVICE AREA OFFICE 2. Education MCU 2026, 13, 381-393.