NELWATRI, Helpi. Preventive Efforts of Youth Reproductive Health Problems Through Informative Media: Health Reproductive Pocket Book Based on Local Culture for Parents in Lima Puluh Kota Regency, West Sumatera Province. Science and Environmental Journal for Postgraduate, [S. l.], v. 1, n. 1, p. 37–42, 2018. DOI: 10.24036/senjop.v1i1.11. Disponível em: http://senjop.ppj.unp.ac.id/index.php/senjop/article/view/11. Acesso em: 25 jul. 2026.