Mohsen Isa, and Malak Abderrazak. “Improving Emergency Department Services in Libyan Hospitals by Using Lean Six-Sigma ‘A Case Study’”. African Journal of Advanced Pure and Applied Sciences (AJAPAS), vol. 4, no. 1, Jan. 2025, pp. 91-102, https://aaasjournals.com/index.php/ajapas/article/view/1102.