Aditama, K., Hafidulloh, Kurniawan, G., & Rohmati, D. (2026). Effects of Work Factors on Employee Performance at TKBM Usaha Karya Cooperative in Surabaya . Improvement: Jurnal Manajemen Dan Bisnis, 6(1), 20–30. https://doi.org/10.30651/imp.v6i1.30983