Discriminating beef producing countries by multi-element analysis and machine learning - Fernandes, Elisabete A. De Nadai; Mazola, Yuniel Tejeda; Bacchi, Márcio Arruda; Gonzaga, Cláudio Luis; Sarriés, Silvana R. V; Sarriés, Gabriel Adrian; Bode, Peter (Advances in Artificial Intelligence and Machine Learning, 2021)