Okonta, B. O., Gbigbi, T. M., and Imitini, E. S. “Profitability analysis of giant african land snail marketing in Delta North, Nigeria”. International Journal of Agricultural Technology, vol. 17, no. 6, Nov. 2021, pp. 2211-22, https://li04.tci-thaijo.org/index.php/IJAT/article/view/6377.