Wetchakul, P., W. Mueangchang, and J. Poobantad. “Factors Related Local Herbal Use Behavior Towards Self Care Among Village Health Volunteers in Mae-Rai, Mae-Jan District, Chiang-Rai”. Community and Social Development Journal, vol. 22, no. 3, Dec. 2021, pp. 159-73, doi:10.14456/rcmrj.2021.247231.