Buulolo, Finus, and R Mahdalena Simanjorang. “Application Employee Shift Scheduling Algorithm Recursive Largest First (RLF) at PT. Invilon Sagita Medan”. Journal of Computer Networks, Architecture and High Performance Computing, vol. 2, no. 1, Jan. 2020, pp. 83-87, doi:10.47709/cnapc.v2i1.362.