Wijaya, R., T. Trisninawati, and S. Helmi. “CUSTOMER SATISFACTION IN GOODS AND PROCUREMENT ASSISTANCE SERVICES GOVERNMENT SECRETARIAT SERVICES REGENCY”. Jurnal Ekonomi, vol. 12, no. 02, Apr. 2023, pp. 740-6, https://www.ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/1719.