Saengprajong, Kannika, Ameporn Ratinthon, and Wanna Phahuwatanakorn,. 2016. “Effects of Motivational Counseling on Readiness for Long-Term Contraceptive Use in Pregnant Adolescents: A Pilot Study”. Nursing Science Journal of Thailand 34 (2):28-39. https://he02.tci-thaijo.org/index.php/ns/article/view/68340.