Supriyadi, A., and C. Yulianto. “Penerapan Kinerja Karyawan BBPI Saat Pandemi Covid-19”. JMD : Jurnal Riset Manajemen & Bisnis Dewantara, Vol. 4, no. 1, Feb. 2021, pp. 9 - 20, doi:10.26533/jmd.v4i1.751.