@article{ba926f4dedca4bfe8b65f22eefc332f8,
title = "Validation of a theory about functions and effects of embedded support devices in distance education learning materials",
keywords = "distance education, embedded support devices",
author = "R.L. Martens and Martin Valcke",
note = "DS\_Citation:Martens, R. L., \& Valcke, M. M. A. (1995). Validation of a theory about functions and effects of embedded support devices in distance learning materials. European Journal for the Psychology of Education, 10(2), 181-196.",
year = "1995",
month = jun,
doi = "10.1007/BF03172915",
language = "English",
volume = "10",
pages = "181--196",
journal = "European Journal of Psychology of Education",
issn = "0256-2928",
publisher = "Springer Netherlands",
number = "2",
}