Astutik, Herna Puji. “Analisis Tingkat Kepuasan Masyarakat Terhadap Penerapan Blu-E Sistem (Smart Card) Pada Pelayanan Pengujian Kendaraan Angkutan Barang (Studi Kasus UPT Pengujian Kendaraan Bermotor Dinas Kota Yogyakarta): Analysis Of Community Satisfaction Level Against Application Of Blu-E System (Smart Card) In Goods Transportation Vehicle Testing Services (Case Study Of UPT Testing Motorized Vehicles Yogyakarta City Service)”. Media Ilmiah Teknik Sipil 11, no. 3 (September 30, 2023): 210–218. Accessed April 5, 2025. https://ojs.umpr.ac.id/mits/article/view/4654.