Kato, M. do S.A. et al. 1991. Effects of pruning on physiological deterioration, enzimatic activity and phenolic compound levels in cassava roots. Pesquisa Agropecuaria Brasileira. 26, 2 (Feb. 1991), 237–245. DOI:https://doi.org/10.1590/S1678-3921.pab1991.v26.3334.