Kosim, M. E., N. An Khofiyah, R. Siskayanti, Cipto Purwanto, and Tina Supriyatin. “SERVQUAL–QFD-Based Service Improvement Framework for Smart Public Service Implementation in Subdistrict Administrative Services”. Jurnal Riset Ilmu Teknik, vol. 4, no. 2, Aug. 2026, pp. 172-9, doi:10.59976/jurit.v4i2.380.