Ongla, P., P. Ainkaeo, T. Khawphong, J. Damrongwattana, J. Hemrangsee, and . M. Jamnongtham. “GROUP MANAGEMENT UNDER THE PHILOSOPHY OF SUFFICIENCY ECONOMY: A CASE STUDY OF BAN KIRIWONG HERBAL HOUSE LEARNING CENTER (SOAP MAKING)”. Journal of Innovation for Sustainable Social Development, vol. 4, no. 2, Aug. 2024, pp. 31-38, https://so18.tci-thaijo.org/index.php/J_ISSD/article/view/232.