Jim E. Greer. A Comparison of Instructional Treatments for Introducing Recursion. Computer Science Education, 1(2):111-128, 1989. [doi]
@article{Greer89,
title = {A Comparison of Instructional Treatments for Introducing Recursion},
author = {Jim E. Greer},
year = {1989},
doi = {10.1080/0899340890010204},
url = {http://dx.doi.org/10.1080/0899340890010204},
researchr = {https://researchr.org/publication/Greer89},
cites = {0},
citedby = {0},
journal = {Computer Science Education},
volume = {1},
number = {2},
pages = {111-128},
}