Kassali, Rabirou, Abayomi Yusuf Oyewale, and Olufemi Adedotun Yesufu. “Analysis of Consumer‘s WTP for Cowpea Varieties in Osun State, Nigeria: The Hedonic Pricing Approach”. Turkish Journal of Agriculture - Food Science and Technology 6, no. 9 (September 9, 2018): 1120–1128. Accessed November 22, 2024. https://agrifoodscience.com/index.php/TURJAF/article/view/1832.