Sadraou, Tareki, and Tarek Ben Al. “Testing for Panel Granger Causality Relationship Between International R&D Cooperation and Economic Growth”. INTERNATIONAL JOURNAL OF MANAGEMENT & INFORMATION TECHNOLOGY 7, no. 3 (December 15, 2013): 1176–1197. Accessed May 16, 2024. https://rajpub.com/index.php/ijmit/article/view/3103.