Puspitasari, R. H., E. Kusuma, A. D. Nastiti, and D. Handayani. “Case Study: Observation of Dysmenorrhea Pain Removal With Hypnotherapy Method”. Jurnal Keperawatan, vol. 14, no. S2, June 2022, pp. 375-82, http://journal2.stikeskendal.ac.id/index.php/keperawatan/article/view/218.