CHAM, Vu Ngoc; ANH, Nguyen Tuan. An Authorisation Policy Management Model in Federations. VNU Journal of Science: Computer Science and Communication Engineering, [S.l.], v. 34, n. 1, sep. 2018. ISSN 2588-1086. Available at: <http://jcsce.vnu.edu.vn/index.php/jcsce/article/view/174>. Date accessed: 10 dec. 2018. doi: https://doi.org/10.25073/2588-1086/vnucsce.174.