Riesmiyatiningdyah, R., Wijianti, C. W., Nuriyah, S., Masela, L. G., Rahayu, D. S., Maulana, M. M., Sari, M. Y. A. and Rizqya, A. R. (2019) “IMPROVED KNOWLEDGE OF YOUNG GIRL ABOUT MENARCHE IN THE RANGKAH KIDUL ELEMENTARY SCHOOL, RANGKAH KIDUL VILLAGE, SIDOARJO SUB-DISTRICT, SIDOARJO DISTRICT, EAST JAVA PROVINCE”, Community Service Journal of Indonesia, 1(1), pp. 14-17. doi: 10.36720/csji.v1i1.68.