Fery Riyanto, Amron Amron, and Jamanto Sujipto. “Green HRM In Improving Employee Performance By Mediating Role Of Green OCB And Green Behavior: Study On Manufacturing Companies In Singapore”. International Journal Of Accounting, Management, And Economics Research, vol. 1, no. 2, Dec. 2023, pp. 19-32, doi:10.56696/ijamer.v1i2.13.