Putri, Linta Meyla, et al. “ANALISIS KERUGIAN PRODUKTIVITAS PASIEN KATARAK DI RUMAH SAKIT SWASTA DI SURABAYA”. MAINTEKKES : The Journal of Management Information and Health Technology , vol. 1, no. 1, June 2023, pp. 7-11, doi:10.36049/maintekkes.v1i1.95.