Tradeoffs in design research: development oriented triangulation. - Koen van Turnhout; Sabine Craenmehr; Robert Holwerda; Mike Menijn; Jan Pieter Zwart; René Bakker (BCS HCI, 2013)

Design patterns for mixed-method research in HCI. - Koen van Turnhout; Arthur Bennis; Sabine Craenmehr; Robert Holwerda; Marjolein Jacobs; Ralph Niels; Lambert Zaad; Stijn Hoppenbrouwers; Dick Lenior; René Bakker (NordiCHI, 2014)

Flipped classroom patterns: designing valuable in-class meetings. - Christian Köppe; Ralph Niels; Robert Holwerda; Lars Tijsma; Niek Van Diepen; Koen van Turnhout; René Bakker (EuroPLoP, 2015)

Block-based languages for professionals. - Robert Holwerda (PPIG, 2017)

A Usability Analysis of Blocks-based Programming Editors using Cognitive Dimensions. - Robert Holwerda; Felienne Hermans (VL/HCC, 2018)