O. Meila, J. Pontoan, and D. N. Illian, “Evaluasi Waktu Tunggu Pelayanan Obat di Instalasi Farmasi Rawat Jalan RS X: Evaluation of Waiting Time for Drug Services in The Outpatient Pharmacy Installation at RS X”, Sainstech Farma, vol. 13, no. 1, pp. 37–39, Apr. 2020.