@article{67a20fb96abc445d81949e596e093bc2,
title = "Roles of Variables in Teaching",
keywords = "roles of variables, introductory programming, CS1, CS2, pedagogy, roles of variables, introductory programming, CS1, CS2, pedagogy, roles of variables, introductory programming, CS1, CS2, pedagogy",
author = "Juha Sorva and Ville Karavirta and Ari Korhonen",
year = "2007",
language = "English",
volume = "6",
pages = "407--423",
journal = "Journal of Information Technology Education",
publisher = "Informing Science Institute",
}