Subchan, Wafa, and Moch. Tutuk Safirin. 2025. “nalisis ualitas ayanan plikasi uangguru engan -ervqual an et romoter core (NPS)”. imits: ournal of athematics and ts pplications 22 (2):125-34. https://doi.org/10.12962/limits.v22i2.4364.