Yulistyari, E. I., Umam, C. and Fachrozy, M. R. (2019) “Analisis kualitas pelayanan bus pariwisata dengan metode service quality dan importance performance analysis”, Operations Excellence: Journal of Applied Industrial Engineering. Jakarta, Indonesia, 11(2), pp. 144–152. doi: 10.22441/oe.v11.2.2019.024.