Yustika, E., Isnaeni, W., Indriyanti, D. and Marianti, A. 2023. Development of Sex Education Model as An Extracurricular Activity in High School to Improve Understanding and Attitude of Care for Reproductive Health. Journal of Innovative Science Education. 12, 2 (Aug. 2023), 229-236. DOI:https://doi.org/10.15294/jise.v12i2.72349.