Desmond Ayim-Aboagye , Kwabena Awere Gyekye. “Economics, Development and Human Cooperation Theory”. International Journal of Emerging Trends in Science and Technology 5, no. 08 (August 30, 2018): 6704-6722. Accessed July 1, 2024. https://igmpublication.org/ijetst.in/index.php/ijetst/article/view/1272.