Raamleerplan : eerste uitwerking : keuzevak informatica 2e fase VO : project Ontwikkeling Leerplan en Vakdidactiek Informatica / eindred.: T.J. van WeertEducational software at secondary level : proceedings of the IFIP TC 3/WG 3.1 working conference on educational software at secondary level, Reykjavik, Iceland, 18-22 June, 1989 / ed. by J. David Tinsley [and] Tom J. van WeertImpact of informatics on the organization of education : proceedings of the IFIP TC 3/WG 3.1 Working Conference on Impact of Informatics on the Organization of Education, Santa Barbara, CA, USA, 5-9 August 1991 / ed. by Brian Samways, Tom J. van WeertInformatics and the digital society : social, ethical and cognitive issues : IFIP TC3/WG3.1&3.2 open conference on social, ethical and cognitive issues of informatics and ICT, July 22-26, 2002, Dortmund, Germany / ed. by Tom J. van Weert, Robert K. MunroInleiding computersystemen / Harold W. Lawson jr. ; [vert. uit het Engels door T. van Weert ; onder red. van G.J. Groenenboom, Th. van Kooten ... et al.]Processes and networks / by Kim P. Gostelow and Tom J. van Weert