Charoensuk เ. THE MANAGEMENT OF STUDENT SUPPORT SYSTEMS IN THE DIGITAL AGE BY THE PRINCIPLE OF FOUR SANGAHAVATHU IN SCHOOL UNDER LOEI PRIMARY EDUCATIONAL SERVICE AREA OFFICE 1. Integr. Soc. Sci. J. [Internet]. 2023 Aug. 31 [cited 2026 Nov. 10];3(8):33-45. Available from: https://ojs.mbuslc.ac.th/index.php/issj/article/view/214