Mignouna DB, T A, A A, B A, O P, VM M, R A, M A. Economic Analysis of Yam Seed Tuber Systems in Nigeria. J. Root Crops [Internet]. 2015 Jan. 1 [cited 2024 Nov. 21];39(2):221-9. Available from: https://journal.isrc.in/index.php/jrc/article/view/138