Shitsuka, Ricardo, Dorlivete Moreira Shitsuka, and Rabbith Ive Carolina Shitsuka Risemberg. 2016. “Evaluation of Digital Object Identifier Concepts in Students of a Post Graduation Course”. Informação & Informação 21 (1):496-519. https://doi.org/10.5433/1981-8920.2016v21n1p496.