@book{ Solr-my.uum.repo.15158, title = {The combination of different modalities in the web-based learning environment: a comparative analysis of the perceptual instructional outcomes}, author = {Kaur, Parveen}, year = {2005}, url = {http://repo.uum.edu.my/15158/1/01508810.pdf} url = {http://repo.uum.edu.my/15158/} url = {http://doi.org/10.1109/ICALT.2005.258} }