Kos, Sonia Raifur, Claudio Marcelo Edwards Barros, and Romualdo Douglas Colauto. 2017. “IMPACT OF EVENTS SUBSEQUENT DISCLOSURE ON ABNORMAL RETURN: STUDY IN IBOVESPA COMPANIES”. REVISTA AMBIENTE CONTÁBIL - Universidade Federal Do Rio Grande Do Norte 9 (2):60-79. https://doi.org/10.21680/2176-9036.2017v9n2ID9896.