Saputro, Heri, and Muhamad As’ad Efendy. “Differences in the Effectiveness of Hypnocircumcision and Free Needle Anesthesia on Children’s Pain Levels During the Circumcision Process”. STRADA : Jurnal Ilmiah Kesehatan 10, no. 2 (November 1, 2021): 1431–1435. Accessed September 20, 2025. https://sjik.org/index.php/sjik/article/view/577.