“The Effect of Red Guava Juice Supplementation Combined With Iron Tablets on Hemoglobin Levels Among Premarital Women”. The Journal of Mother and Child Health Concerns 5, no. 7 (October 15, 2026): 839–844. Accessed October 28, 2026. https://mchc.iphorr.id/index.php/mchc/article/view/14.