Computational thinking in CS teaching materials: a pilot study. - Erik Barendsen; Idzard Stoker (Koli Calling, 2013)

Computational thinking skills in Dutch secondary education. - Natasa Grgurina; Erik Barendsen; Bert Zwaneveld; Wim van de Grift; Idzard Stoker (WiPSCE, 2013)

Computational thinking skills in dutch secondary education: exploring pedagogical content knowledge. - Natasa Grgurina; Erik Barendsen; Bert Zwaneveld; Klaas van Veen; Idzard Stoker (Koli Calling, 2014)

Computational thinking skills in dutch secondary education: exploring teacher's perspective. - Natasa Grgurina; Erik Barendsen; Bert Zwaneveld; Klaas van Veen; Idzard Stoker (WiPSCE, 2014)