Chansiri, Suphaphan, and Charoenchai Wongwatkit. “Perceptions and Prevention of Unwanted Pregnancy among the Akha Adolescents”. Nursing Science Journal of Thailand 40, no. 2 (March 15, 2022): 17–33. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/ns/article/view/251309.