Novitasari, Dyah, and Udisubakti Ciptomulyono. 2025. “Service Quality Improvement for Radio Frequency Spectrum Usage Monitoring at Balai Monitor Class I Surabaya Using SERVQUAL and AHP Methods”. Journal Research of Social Science, Economics, and Management 5 (1):2728-38. https://doi.org/10.59141/jrssem.v5i1.972.