Administrative Functions in Business Process Reengineering (BPR) for Institutional Performance: Higher Institute of Education and Commerce (HEC-Tchad) as a Case Study. cjhes [Internet]. 2026 May 9 [cited 2026 May 10];2(2):403-2. Available from: https://cjhes.com.ly/index.php/cjhes/article/view/219