Cheamuangphan, Aree, Montri Singhavara, and Aussawin Phaoumnuaywit. 2020. “The Effectiveness of the Production of Healthy Rice in Comparison With Other Rice Varieties in the Upper Northern Region of Thailand”. International Journal of Sustainable Development & World Policy 8 (2):109-17. https://doi.org/10.18488/journal.26.2019.82.109.117.