| 2003 | ||
|---|---|---|
| c1 | Pasi Tyrväinen, Matti Järvenpää, Ari Sievänen: On Estimating the Amount of Learning Materials a Case Study. ICEIS (4) 2003: 127-135 | |
| 1 | Matti Järvenpää | |
| 2 | Pasi Tyrväinen |
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