SOEJOENOES, Ariawan. Tenage Pregnancy. Indonesian Journal of Obstetrics and Gynecology (INAJOG), [S.l.], p. 128-129, nov. 2017. ISSN 2338-7335. Available at: <http://inajog.com/ojs/index.php/journal/article/view/533>. Date accessed: 16 dec. 2017.