Sompong, N. . (2022). Evaluation of the Project to Promote and Develop Learning Center According to the Sufficiency Economy Philosophy for Sustainability, Bannongbuasaadpokom School, Phibun Rak District, Udon Thani Province. Interdisciplinary Academic and Research Journal, 2(5), 397–414. https://doi.org/10.14456/iarj.2022.103