Department of Agricultural Economics; University of Dschang, West Region, Cameroon P O Box: 222 FASA Tchumela Tchoupua Cédric University of Dschang, Cameroon. agriscience [Internet]. 2021 Jul. 6 [cited 2025 Jul. 6];4(1):32-4. Available from: http://agriculturalscience.unmerbaya.ac.id/index.php/agriscience/article/view/47