Salsabila, Norisa, Hari Susanta Nugraha, and Andi Wijayanto. “Digitization of Subsidized Fertilizer Distribution and Operational Challenges in Serving Aging Farmers: A Systematic Literature Review”. Jurnal Ragam Pengabdian 3, no. 2 (August 5, 2026): 7155–7170. Accessed August 28, 2026. https://teewanjournal.com/index.php/juragan/article/view/3802.