Leal, Maria de Lourdes da Silva, and Dulce Regina Nunes Warwick. “Sampling in the Evaluation of the Coconut Verrucoses”. Pesquisa Agropecuaria Brasileira, vol. 35, no. 9, Sept. 2000, pp. 1717-23, doi:10.1590/S1678-3921.pab2000.v35.5951.