Riesmiyatiningdyah, R., C. W. Wijianti, S. Nuriyah, L. G. Masela, D. S. Rahayu, M. M. Maulana, M. Y. A. Sari, and A. R. Rizqya. “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, Vol. 1, no. 1, May 2019, pp. 14-17, doi:10.36720/csji.v1i1.68.