Phomphoumy, Khamphet, Weeraphart Khunrattanasiri, and Santi Suksard. 2022. “Application of Adaptive Cluster Sampling for Non-Timber Forest Products Assessment in Training and Model Forest, Faculty of Forestry, National University of Laos”. Thai Journal of Forestry 33 (1). Bangkok, Thailand:36-46. https://li01.tci-thaijo.org/index.php/tjf/article/view/255403.