Tulin AB, Asio VB, Campilan DM, Kawai S. Characterization of nutrient deficiency symptoms in sweetpotato through farmer-scientist participatory approach. Ann. Trop. Res [Internet]. 2004 Nov. 20 [cited 2024 Dec. 22];26(1&2):141-67. Available from: https://atr.vsu.edu.ph/article/view/450