Henk J. Pol, Egbert G. Harskamp, Cor J. M. Suhre, Martin J. Goedhart. How indirect supportive digital help during and after solving physics problems can improve problem-solving abilities. Computers & Education, 53(1):34-50, 2009. [doi]
@article{PolHSG09,
title = {How indirect supportive digital help during and after solving physics problems can improve problem-solving abilities},
author = {Henk J. Pol and Egbert G. Harskamp and Cor J. M. Suhre and Martin J. Goedhart},
year = {2009},
doi = {10.1016/j.compedu.2008.12.015},
url = {http://dx.doi.org/10.1016/j.compedu.2008.12.015},
researchr = {https://researchr.org/publication/PolHSG09},
cites = {0},
citedby = {0},
journal = {Computers & Education},
volume = {53},
number = {1},
pages = {34-50},
}