Batu Bara, K., Deliati, D. and Magdalena, M. (2025) “Reducing Premarital Sexual Behavior Through Information Services with the Pancawaskita Approach for Class X PL Students of SMK Negeri 4 Medan”, Jurnal Riset Ilmu Pendidikan, 5(2), pp. 378–382. doi: 10.56495/jrip.v5i2.1049.