Olivia, Dina, Melda Deliana, Supriatmo Supriatmo, Hakimi Hakimi, and Siska Lubis. 2012. “Body Mass Index and Age of Menarche in Young Girls”. Paediatrica Indonesiana 52 (6), 309-12. https://doi.org/10.14238/pi52.6.2012.309-12.