An interactive concept map approach to supporting mobile learning activities for natural science courses. - Gwo-Jen Hwang; Po-Han Wu; Hui-Ru Ke (Comput. Educ., 2011)

An innovative concept map approach for improving students' learning performance with an instant feedback mechanism. - Po-Han Wu; Gwo-Jen Hwang; Marcelo Milrad; Hui-Ru Ke; Yueh-Min Huang (Br. J. Educ. Technol., 2012)