Br. Sinaga, Ernita Rumenta, and Aprinawati. “Hubungan Service Excellence Dan Fasilitas Transportasi Bus Dengan Tingkat Kepuasan Konsumen Di PT Makmur Halmahera Medan”. ProBisnis : Jurnal Manajemen 16, no. 5 (October 22, 2025): 1295–1305. Accessed June 24, 2026. https://www.ejournal.joninstitute.org/index.php/ProBisnis/article/view/1212.