Dewi, Ratih Kartika. “ANALISIS HUBUNGAN SARAPAN DAN KADAR HEMOGLOBIN DENGAN PRESTASI BELAJAR”. JPK : Jurnal Penelitian Kesehatan 13, no. 2 (December 14, 2023): 53–59. Accessed September 19, 2024. https://journal.stikvinc.ac.id/index.php/jpk/article/view/244.