Y. A. Susilowati, E. A. . Nugraha, F. . Sihombing, Y. M. . Wijaya, S. P. . Septiawan, and D. . Putrawangsa, “Comparison of Knowledge and Attitudes Regarding Free Sexual Behavior Among Male and Female University Students ”, J. Health Nutr. Res, vol. 5, no. 1, pp. 163–172, Apr. 2026.