Tarmong, C. “Contraceptive Implant Promotion Among Postpartum Adolescents Using Motivation and Family Support”. Journal of Phrapokklao Nursing College, Chanthaburi, vol. 31, no. 1, June 2020, pp. 167-7, https://he01.tci-thaijo.org/index.php/pnc/article/view/218300.