Htdp and dmda in the battlefield: a case study in first-year programming instruction. - Annette Bieniusa; Markus Degen 001; Phillip Heidegger; Peter Thiemann 001; Stefan Wehr; Martin Gasbichler; Michael Sperber; Marcus Crestani; Herbert Klaeren; Eric Knauel (FDPE@ICFP, 2008)