http://ekonominator.blogspot.com/2017/03/sistem-pengendalian-manajemen_56.html
https://www.ekasulistiyana.web.id/artikel/kuliah/empat-perspektif-dalam-penerapan-balance-scorecard/
https://www.kajianpustaka.com/2020/03/penilaian-kinerja-pengertian-tujuan-kriteria-dan-metode.html
https://www.kajianpustaka.com/2020/03/penilaian-kinerja-pengertian-tujuan-kriteria-dan-metode.html