Wannakhao, S. ., Kaewasa , S. ., & Ruangchang , Y. . (2022). An Integrated Three Dharma Eco-Tourism: A Case Study of Pok Yai Village, Phanna Nikhom District, Sakon Nakhon Province. PAYAP UNIVERSITY JOURNAL, 31(2), 167–179. https://doi.org/10.14456/pyuj.2021.25