Widjajanto, Sugiri, et al. “Rancangan Pengukuran Kinerja Layanan Publik: Studi Kasus Pelayanan Pengujian Alat Ventilator BPFK Kemenkes RI”. Operations Excellence: Journal of Applied Industrial Engineering, vol. 12, no. 2, July 2020, pp. 145-5, doi:10.22441/oe.2020.v12.i2.001.