OKTALIA, J.; HERLYSSA, H.; SUPRADEWI, I.; KUSUMASTUTI, A.; PRATIWI, I. The Characteristics of Premarital Couple Related to Couple’s Knowledge of Healthy Pregnancy Preparation. Jurnal Ilmu dan Teknologi Kesehatan, v. 9, n. 1, p. 87-97, 30 set. 2021.