Viet Anh Nguyen Van Cong Pham CAMLES: An Adaptive Mobile Learning System to Assist Student in Language Learning. 72-76 2012 WMUTE https://doi.org/10.1109/WMUTE.2012.19 https://doi.ieeecomputersociety.org/10.1109/WMUTE.2012.19 conf/wmte/2012 db/conf/wmte/wmute2012.html#NguyenP12