Sinurat, S., Simanullang, M.S.D., Barus, M. and Marbun, G.A. 2023. The effect of health education on personal hygiene on students’ knowledge. International Journal on ObGyn and Health Sciences. 1, 2 (Apr. 2023), 66–72. DOI:https://doi.org/10.35335/obgyn.v1i2.70.