HERBINA BR SEMBIRING; SUSANTI. THE EFFECT OF RED GUAVA FRUIT ON HEMOGLOBIN (HB) LEVELS OF ADOLESCENT FEMALES IN THE WORK AREA OF TANJUNG BALAI PUBLIC HEALTH CENTER. Zona Kebidanan: Program Studi Kebidanan Universitas Batam, [S. l.], v. 16, n. 3, 2026. DOI: 10.37776/zkeb.v16i3.2348. Disponível em: https://ejurnal.univbatam.ac.id/index.php/zonabidan/article/view/2348. Acesso em: 12 oct. 2026.