ใจเตี้ย ส., and ณ เชียงใหม่ ณ. “Factors Predicting Utilization of Medicinal Plants of People in Li Watershed, Lumphun Province”. Ratchaphruek Journal, vol. 15, no. 3, Dec. 2017, pp. 70-78, https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/125690.