50104612

j

50104612 Chu, Kuo-Kuang Lee, Chien-I. Tsai, Rong-Shi Ontology technology to assist learners' navigation in the concept map learning system Expert Syst. Appl. 38, No. 9, 11293-11299 (2011). 2011 EN

doi:10.1016/j.eswa.2011.02.178