Effie Lai-Chong Law Anh Vu Nguyen-Ngoc Selahattin Kuru Mixed-method validation of pedagogical concepts for an intercultural online learning environment: a case study. 321-330 2007 GROUP http://doi.acm.org/10.1145/1316624.1316673 conf/group/2007 db/conf/group/group2007.html#LawNK07