Souza, Elder Barboza de, Jorge Wilson Cortez, Nelci Olszevski, Hideo de Jesus Nagahama, Alan da Cunha Honorato, Victor Fonseca de Araújo, e Jardênia Rodrigues Feitosa. 2017. “GRID SAMPLE FOR SPATIAL STUDY OF PENETRATION RESISTENCE IN THE ELEPHANT GRASS FARMING AREA”. BRAZILIAN JOURNAL OF AGRICULTURE - Revista De Agricultura 92 (3). Piracicaba:281-94. https://doi.org/10.37856/bja.v92i3.215.