Hedberg, J., & Singapore), R. S. o. N. M. a. L. T. i. A. (. :. 1. :. (2008). Technologies for effective learning.

Hedberg, John, و Regional Symposium on New Media and Learning Technologies in Asia (2nd : 1999 Singapore). Technologies for Effective Learning. 2008.

Hedberg, John, و Regional Symposium on New Media and Learning Technologies in Asia (2nd : 1999 Singapore). Technologies for Effective Learning. 2008.