A. H. D. Saputro and M. Y. R. Bangun, “Evaluating the Implementation of Standard Operating Procedure (SOP) According to Knowledge Management (Case Study of Bank Keluarga’s Frontliner)”, Int. J. Manage. Entrep. Soc. Sci. Hum., vol. 5, no. 1, pp. 1–12, Jun. 2022.