Wondimagegnhu, Boneberu Assefa, and Girma Eshetu Heyi. “Determinants of Smallholder Farmers Participation in Community-Based Onion Seed Producing and Marketing Cooperatives in Northwest Ethiopia”. Journal of Agricultural Extension Management, vol. 19, no. 2, July 2019, pp. 1-16, https://epubs.icar.org.in/index.php/JAEM/article/view/91484.