Agustin, R., S. Sardiyo, Y. Eprianti, and S. Surajiyo. “The Effect of Mental Health and Work Environment on Employee Productivity: Evidence from CV Anugerah Sukses Lubuklinggau”. Jurnal Fokus Manajemen, Vol. 6, no. 3, Aug. 2026, pp. 957-64, doi:10.37676/jfm.v6i3.12153.