จันทร์สองดวง เ. (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), 65–80. https://doi.org/10.14456/rcmrj.2018.156144