Thorir, Thariq Ahmad, et al. “The Effect of Drug Information Services (PIO) on Reducing Pain Intensity in Self-Medicated Patients in Banyumas”. JFIOnline | Print ISSN 1412-1107 | E-ISSN 2355-696X, vol. 18, no. 1, Jan. 2026, pp. 82-90, https://jfi-online.org/index.php/jfi/article/view/278.