PUSPITASARI, D. I.; HARDIYANTO, D.; HAMARDIKA, N. A. Asupan zat besi dengan prestasi belajar siswa SMA Muhammadiyah 1 Surakarta. Darussalam Nutrition Journal, [S. l.], v. 5, n. 2, p. 121–128, 2021. DOI: 10.21111/dnj.v5i2.6564. Disponível em: https://ejournal.unida.gontor.ac.id/index.php/nutrition/article/view/6564. Acesso em: 7 dec. 2025.