The Journal of Engineering and Exact Sciences, Vol 3, Iss 8, Pp 1151-1158 (2017) The Journal of Engineering and Exact Sciences; Vol. 3 No. 8 (2017); 1151-1158 The Journal of Engineering and Exact Sciences; Vol. 3 Núm. 8 (2017); 1151-1158 The Journal of Engineering and Exact Sciences; v. 3 n. 8 (2017); 1151-1158 The Journal of Engineering and Exact Sciences Universidade Federal de Viçosa (UFV) instacron:UFV