Fabiana R. Cardoso, Antonio H. A. Galante, Itamar R. Teixeira, Alessandro G. da Silva, and Elton F. dos Reis, “Sources and doses of zinc on beans and castor beans nutrition and production under intercropping”, Rev. Bras. Cien. Agra., vol. 8, no. 4, pp. 602-609, Jan. 2022.