Eti Herawati, Rukmaini, & Rosmawaty Lubis. (2025). The Effect of Pre-Pregnancy Classes on Hemoglobin Levels in Prospective Brides and Grooms in the Ciruas Community Health Center Work Area, Serang Regency, Banten Province. International Health Sciences Journal, 3(1), 33–53. https://doi.org/10.61777/ihsj.v3i1.87