Oktalia, J., Herlyssa, H., Supradewi, I., Kusumastuti, A. and Pratiwi, I. 2021. The Characteristics of Premarital Couple Related to Couple’s Knowledge of Healthy Pregnancy Preparation. Jurnal Ilmu dan Teknologi Kesehatan. 9, 1 (Sep. 2021), 87-97. DOI:https://doi.org/10.32668/jitek.v9i1.608.