Sihombing, Melisa, et al. “Analysis Analysis of Perioperative Care Using the Finger Hold Technique to Reduce Postoperative Pain in Laparotomy Patients ”. Journal of Prima Nursing Profession, vol. 1, no. 1, June 2026, pp. 26-34, https://jurnal.unprimdn.ac.id/index.php/JPNP/article/view/8411.