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| 1998 | ||
|---|---|---|
| 1 | Ivan Stanchev, Boyan Nedkov: The Distance Delivery Platform of The Master Of Science Programme "Instructional And Training Systems Design" At University Of Twente - The Netherlands Virtual Classroom Environment Model And Technological Realisation. Teleteaching 1998: 961-972 | |
| 1 | Ivan Stanchev | [1] |