Pinho, Leandro Glaydson da Rocha, et al. “Boron Absorption and Redistribution in Green Dwarf Coconut Tree”. Pesquisa Agropecuaria Brasileira, vol. 43, no. 12, Jan. 2009, pp. 1769-75, doi:10.1590/S1678-3921.pab2008.v43.1092.