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