Adu-Twumwaah, Deborah, Charles Barnor, and Prince Henry Osei. 2015. “Assessing the Evolution of GATT/WTO Structures Designed to Regulate the Growth and Functioning of Regional Trade Agreements (RTAs)”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 24 (6):102-11. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4864.