Rusly, Hendri, and Yessica Sardina Purba. “Analysis of the Influence of Work Environment and Communication on Employee Performance of PT. Citas Otis Elevator Medan”. Jurnal Mantik 5, no. 4 (January 21, 2022): 2245-2250. Accessed August 22, 2026. https://iocscience.org/ejournal/index.php/mantik/article/view/1968.