Pramesti, Tia Ardhela, and Tri Kartika Pertiwi. “PENERAPAN PROGRAM LAYANAN PENSIUNAN MELALUI KERJA SAMA PT. POS INDONESIA DAN KOPERASI NUSANTARA (KOPNUS) DI SURABAYA ”. Batara Wisnu : Indonesian Journal of Community Services 5, no. 2 (June 20, 2025): 680–687. Accessed February 4, 2026. https://gapenas-publisher.org/batarawisnu/index.php/home/article/view/409.