Hommel, G.; Jähnichen, S.; Kleine, K. and W. Koch. "Program Construction with Abstract Notions in ELAN" pp43-48
(1981)
Proceedings of the 3rd World Conference on Compute (1981)
Proceedings of the 3rd World Conference on Computers in Education, North Holland, Amsterdam, 1981.
Languages mentioned
ELAN
{1974} Language for teaching structured programming