@MANUAL {BALOGUN:2021, title = {Manual for seed yam production in hydroponics system}, author = {Balogun, M. and Maroya, N. and Aighewi, B. and Mignouna, D. and Nelson, M. and Nickerson, J. }, year = {2021}, address = {Ibadan, Nigeria}, note = {WAHub; Science Area BPB; RTB; Yam; 41p.; ISBN: 978-978-131-404-9}, url = {http://www.iita.org/wp-content/uploads/2022/05/Manual-for-seed-yam-production-in-hydroponics-system.pdf}, }