@article{ferreira2016_1711613019292, author = "Costa Ferreira, P. A. N. and Veiga Simão, A. M. and Ferreira, A. and Souza, S. and Francisco, S.", title = "Student bystander behavior and cultural issues in cyberbullying: when actions speak louder than words", journal = "Computers in Human Behavior", year = "2016", volume = "60", number = "", doi = "10.1016/j.chb.2016.02.059", pages = "301-311", url = "http://www.sciencedirect.com/science/article/pii/S0747563216301170" }