Karen P. Walker, Stephen R. Schach. Obstacles to Learning a Second Programming Language: An Empirical Study. Computer Science Education, 7(1):1-20, 1996. [doi]
@article{WalkerS96-0,
title = {Obstacles to Learning a Second Programming Language: An Empirical Study},
author = {Karen P. Walker and Stephen R. Schach},
year = {1996},
doi = {10.1080/0899340960070101},
url = {http://dx.doi.org/10.1080/0899340960070101},
researchr = {https://researchr.org/publication/WalkerS96-0},
cites = {0},
citedby = {0},
journal = {Computer Science Education},
volume = {7},
number = {1},
pages = {1-20},
}