Hastuti, P., Prahesti, Y., & Yunitasari, E. (2021). The Effect of Reproductive Health Education on Knowledge and Attitudes of Adolescent About Premarital Sex in Private Vocational School Surabaya. Pediomaternal Nursing Journal, 7(2), 101–108. https://doi.org/10.20473/pmnj.v7i2.27498