Kanan, R. . و Abu Zayed, K. . (2020) "Using Budget Variances for Performance Evaluation: A Comparison Study between Libyan and AngloAmerican Companies Operating in The Libyan oil sector", مجلة العلوم الاقتصادية والسياسية, (16), ص 334–320. موجود في: https://journals.asmarya.edu.ly/econ/index.php/epj/article/view/47 (تاريخ الوصول: 22 نوفمبر 2024).