Ribeiro, P. H. P., S. Silva, J. D. Neto, M. G. D. Lago, and M. B. Teixeira. “DEVELOPMENT OF VARIETIES OF SUNFLOWERS CULTIVATED WITH SOLID WASTE”.
Engineering in Agriculture
, vol. 21, no. 6, Dec. 2013, pp. 605-13, doi:10.13083/reveng.v21i6.465.