Teaching recursion in a procedural environment -- how much should we emphasize the computing model?

David Ginat Eyal Shifroni Teaching recursion in a procedural environment -- how much should we emphasize the computing model? 127-131 1999 conf/sigcse/1999 SIGCSE http://doi.acm.org/10.1145/299649.299718 db/conf/sigcse/sigcse1999.html#GinatS99