Paul Denny 0001Andrew Luxton-ReillyEwan D. TemperoJacob HendrickxUnderstanding the syntax barrier for novices.208-2122011ITiCSEhttps://doi.org/10.1145/1999747.1999807https://www.wikidata.org/entity/Q118323198conf/iticse/2011db/conf/iticse/iticse2011.html#DennyLTH11