Wahyuni, F. “Factors Influencing Young Women’s Self Concept In Facing Primary Dysmenorrhoea At Smp Negeri 8 Medan”. JURNAL KEPERAWATAN DAN FISIOTERAPI (JKF), vol. 5, no. 1, Oct. 2022, pp. 75-79, doi:10.35451/jkf.v5i1.1273.