F. Nurhayati, G. Irianto, and R. Yulianah, “The effect of hypnobreastfeeding on breast milk expenditure in postpartum mothers primiparous days 4-7 in TPMB Heni Nurhaeni Bandung city year 2024 ”, midwifery, vol. 11, no. 6, pp. 917-924, Feb. 2024.