Handriyani, Syafitri, Jhon Very, Ramdani Putra, and Hermaynelis Fitri. 2022. “Effect of Motivation, Work Environment and Leadership on Employee Performance With Work Spirit As Intervening Variable”. Economic Education Analysis Journal 11 (3), 284-98. https://doi.org/10.15294/eeaj.v11i3.55600.