Kambau, Andi Molang, Harsya Harun, Andi Meriam, and Dewi Astika. “Public Service Innovation PT. POS Indonesia in the Existence of Delivery Service Competition”. PRAJA: Jurnal Ilmiah Pemerintahan 11, no. 2 (July 18, 2023): 89-98. Accessed February 4, 2025. https://jurnal.umsrappang.ac.id/praja/article/view/923.