Matteucci, Magda Beatriz de Almeida, and Benedito Carlos Lemos de Carvalho. “EFFECT OF PHOSPHORUS AND PLANT DENSITY ON THE YIELD COMPONENTS OF COW-PEA (Vigna Unguiculata L. Walp): MORFOLOGICAL CHARACTERISTICS”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 18, no. 1, Nov. 2007, pp. 73-87, https://revistas.ufg.br/pat/article/view/2552.