Zahirah, N. ., Indah, D. R. ., Firdaus, M. A. ., Gumay, N. K. P. ., & Ibrahim, A. (2025). Usability Evaluation of GetContact Application Using Post-Study System Usability Questionnaire and Retrospective Think Aloud. Sinkron : Jurnal Dan Penelitian Teknik Informatika, 9(1), 197-209. https://doi.org/10.33395/sinkron.v9i1.14267