MUANGCHANG, M.; PONGSUTHIRAK, P. Contraceptive Knowledge, Attitude and Behavior of Contraception in Teenage Pregnancy at Buddhachinaraj Phitsanulok Hospital. Thai Journal of Obstetrics and Gynaecology, Bangkok, Thailand, v. 25, n. 4, p. 232–241, 2017. DOI: 10.14456/tjog.2017.31. Disponível em: https://he02.tci-thaijo.org/index.php/tjog/article/view/67693. Acesso em: 1 oct. 2026.