T. Prasitthisarn, S. Kaitpraneet, and W. Huamuangkaew, “People Participation in Forest Resource Conservation at Pa Phu Ra-ngum National Reserved Forest, Waeng Yai and Chonnabot Districts, Khon Kaen Province”, Thai J. For., vol. 33, no. 1, pp. 57–65, Aug. 2022.