Ningrum GW, Triana NY, Nurniati M. Mekanisme Koping Siswi Usia 10-12 Tahun dalam Menghadapi Menarche. JPPP [Internet]. 11May2024 [cited 1May2026];6(5):2265-72. Available from: https://jurnal.globalhealthsciencegroup.com/index.php/JPPP/article/view/2130