“Boosting Employee Performance; Effects of Working Environment on Employees Performance: Case of Ethio-Telecom in Ambo Branch”, GJMBR, vol. 19, no. A11, pp. 43–50, Oct. 2019, Accessed: Apr. 04, 2026. [Online]. Available: https://journalofbusiness.org/index.php/GJMBR/article/view/2874