Darmawan, R. H., Adi Widodo, Daniel Happy Putra, and Noor Yulia. “Perceptions of Patients and Officers towards the Use of Online and Offline Registration Systems at the Surgical Polyclinic of Gatot Soebroto Army Central Hospital”. Open Access Indonesian Journal of Medical Reviews, Vol. 2, no. 4, June 2022, pp. 227-30, doi:10.37275/oaijmr.v2i4.214.