| 2010 | ||
|---|---|---|
| c1 | Stephan Samuelson, Henry M. Halff, Lawrence Halff, Christopher Brown: Multilayered Games for Science Education. DIGITEL 2010: 166-170 | |
| 1 | Christopher Brown | |
| 2 | Henry M. Halff | |
| 3 | Lawrence Halff |
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