Mental Models of Recursion and Their Use in the SCENT Programming Advisor.

S. H. Bhuiyan Jim E. Greer Gordon I. McCalla Mental Models of Recursion and Their Use in the SCENT Programming Advisor. 135-144 1989 conf/kbcs/1989 KBCS db/conf/kbcs/kbcs1989.html#BhuiyanGM89 http://dx.doi.org/10.1007/BFb0018374