- IJITPM 3(1):15-35 (2012)
- First Monday (2012)
- J. UCS 17(12):1659-1672 (2011)
- J. UCS 17(12):1634-1637 (2011)
- IJWBC 7(4):478-492 (2011)
- I-KNOW, page 40. (2011)
- EC-TEL, volume 6964 of Lecture Notes in Computer Science, page 531-536. Springer, (2011)
- Interactive Learning Environments 18(3):245-261 (2010)
- Interactive Learning Environments 18(3):199-201 (2010)
- IJWBC 7(3):298-311 (2011)
- Computers in Human Behavior 25(5):1010-1019 (2009)
- Interactive Learning Environments (2010)
- IJLT 5(4):388-400 (2010)
- J. Comp. Assisted Learning 24(6):483-493 (2008)
- J. Comp. Assisted Learning 24(1):74-86 (2008)
- IJWBC 7(1):66-82 (2011)
- Computers in Human Behavior 25(5):1010-1019 (2009)
- Procedia CS 1(2):2883-2888 (2010)
- Int. J. Hum.-Comput. Stud. 68(11):834-850 (2010)
- CRIWG, volume 6257 of Lecture Notes in Computer Science, page 297-304. Springer, (2010)


author