Maria Magdalena Meilina Rahmawati, Sugeng Maryanto, and Purbowati. “The Correlation Between Calcium and Iron Intake With Dysmenorrhea in Female Adolescents in SMA Negeri 1 Ambarawa”. JURNAL GIZI DAN KESEHATAN, vol. 13, no. 1, Jan. 2021, pp. 94-103, doi:10.35473/jgk.v13i1.104.