Wang, Z., & Fan, Z. Green sustainability assessment and efficiency improvement study of international oil and gas companies: Based on data envelopment analysis. Elsevier.
Chicago Style (17th ed.) CitationWang, Zuoqian, and Zhe Fan. Green Sustainability Assessment and Efficiency Improvement Study of International Oil and Gas Companies: Based on Data Envelopment Analysis. Elsevier.
MLA (9th ed.) CitationWang, Zuoqian, and Zhe Fan. Green Sustainability Assessment and Efficiency Improvement Study of International Oil and Gas Companies: Based on Data Envelopment Analysis. Elsevier.
Warning: These citations may not always be 100% accurate.