Ruji, R., H. Syam, A. Erlin, F. Hasanah, and U. Wafiqah. “The Effect of Stress on the Menstrual Cycle in Adolescents”. ALSYSTECH Journal of Education Technology, Vol. 1, no. 1, July 2023, pp. 24-30, doi:10.58578/alsystech.v1i1.1363.