Marianti, A., W. Sumarni, A. Purwinarko, and A. Amidi. “Instrument Development for Measuring the Satisfaction Level from Service Provided by Administrative Staff of FMIPA UNNES”. Proceedings of International Conference on Science, Education, and Technology, vol. 7, no. 1, Mar. 2023, pp. 685-9, https://proceeding.unnes.ac.id/ISET/article/view/2032.