Albert, A., M. . Halawa, R. Y. E. . Manik, and O. J. . Harmaja. “Analysis And Design Of A Survey Application To Measure Outpatient Loyalty Using The Customer Relationship Management Method”. Jurnal Sistem Informasi Dan Ilmu Komputer, vol. 8, no. 1, Sept. 2024, pp. 346-59, doi:10.34012/jurnalsisteminformasidanilmukomputer.v8i1.5410.