Ernanda, Y., Efrata, J., Pratiwi, Y., Harahap, T., & Harefa, H. (2022). The Influence of Work Environment, Work Discipline and Motivation on Employee Performance at PT Tiki Jalur Nugraha Ekakurir (JNE) Amplas Trade Center Medan. Enrichment : Journal of Management, 12(2), 1727-1733. https://doi.org/10.35335/enrichment.v12i2.468