Elaoukazi، F. Z.، و Fellague، M. (2021). The Environmental Management Systems as a Mechanism to Improve the Performance of Industrial Organizations: A Case of Cement Company and its Derivatives Chlef ECDE. مجلة الإبداع، مج11, ع1 ، 695 - 706. مسترجع من http://search.mandumah.com/Record/1168881
Elaoukazi، Fatima Zohra، و Mohamed Fellague. "The Environmental Management Systems As a Mechanism to Improve the Performance of Industrial Organizations: A Case of Cement Company and Its Derivatives Chlef ECDE." مجلة الإبداع مج11, ع1 (2021): 695 - 706. مسترجع من http://search.mandumah.com/Record/1168881