Livia, R., Martini, A.I. and Asia, N. 2024. Optimizing Employee Performance: The Impact of Work Motivation, Work Environment, and Leadership at PT. Manakarra Unggul Lestari in Tommo District, Mamuju Regency . Management Studies and Entrepreneurship Journal (MSEJ). 4, 5 (Nov. 2024), 6814–6822. DOI:https://doi.org/10.37385/msej.v4i6.3321.