Susan M. Merritt Charles J. Bruen J. Philip East Darlene Grantham Charles Rice Viera K. Proulx Gerry Segal Carol E. Wolf ACM Model High School Computer Science Curriculum. 87-90 1993 36 Commun. ACM 5 db/journals/cacm/cacm36.html#MerrittBEGRPSW93