“An Overview of Knowledge and Attitude About Premenstrual Syndrome on 9th Grade Students at Junior High School Number 1 West Selemadeg ”. JURNAL KEBIDANAN KESTRA (JKK), vol. 7, no. 1, Oct. 2024, pp. 1-8, https://doi.org/10.35451/jkk.v7i1.2219.