จันทร์สองดวง เอื้อมพร. 2018. “Species Diversity of Trees and The Usage of The Forest Area Community of The Tai-Lao Conservation of Wat Prum Pra Tan, Ban Nam Kam, Tambon Non Chai Si, Phon Thong District, Roi Et Province”. Community and Social Development Journal 19 (1). Chiang Mai, Thailand:65-80. https://doi.org/10.14456/rcmrj.2018.156144.