Hondro, S.M.K., Pasaribu, V.S.O., Purba, E.M., Manurung, H.R., Dewi, E.R. and Marliani, M. 2022. Factors Associated with the Irregularity of Antenatal Care Visits at the Amandraya Health Center in South Nias Regency in 2022. Jurnal EduHealth. 13, 02 (Dec. 2022), 904–911.