Trierweiller, Andréa Cristina, Blênio César Peixe, Rafael Tezza, Antonio Cezar Bornia, and Lucila Maria De Souza. “Evidenciation of Environmental Management: An Evaluation With Item Response Theory’”. Brazilian Journal of Operations & Production Management 9, no. 2 (1): 91-109. Accessed June 18, 2019. https://bjopm.emnuvens.com.br/bjopm/article/view/V9N2A7.