Houda، D. (2022). The Level of Environmental Disclosure in Sustainability Reports in Major Companies: Case Study of six Major Companies in Oil and Gas Sector. أبحاث اقتصادية وإدارية، مج16, ع1 ، 41 - 60. مسترجع من http://search.mandumah.com/Record/1276784
Houda، Djaballah. "The Level of Environmental Disclosure in Sustainability Reports in Major Companies: Case Study of Six Major Companies in Oil and Gas Sector." أبحاث اقتصادية وإدارية مج16, ع1 (2022): 41 - 60. مسترجع من http://search.mandumah.com/Record/1276784