Herédia Zárate, Néstor Antonio, et al. “Agroeconomic Yield of Taro Clones in Function of Number of Hilling Operation”. Semina: Ciências Agrárias, vol. 33, no. 5, Oct. 2012, pp. 1673-80, doi:10.5433/1679-0359.2012v33n5p1673.