Endi Susilo Prayogo, Anik Ratnaningsih, and Krisnamurti. 2024. “Improvement Strategy Service Functional Eligibility Certificate Using the AHP Method”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 73 (1): 426-37. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/16967.