Sawitri, Riska Agi, and Ferry Prasetyo. “Operational Audit Analysis on Credit and Receivable Sales at PT. Penerbit Erlangga Mahameru Palembang Branch”. Nusantara Journal of Behavioral and Social Science 1, no. 2 (May 21, 2022): 43–48. Accessed June 3, 2026. https://www.ukinstitute.org/journals/4/njbss/article/view/127.