Die plek en taak van ’n onderwysvereniging*

by W. Postma
Published 1983-03-01

Parent-teacher contact: A problematic matter 1

by W. Postma
Published 1987-01-01

Die betekenis van ds. Dirk Postma se bevordering van Christelike onderwys vir negentiende-eeuse Nederland en vir Suid-Afrika vandag

by W. Postma
Published 1993-01-01

’n Samelewingsteoretiese model as riglyn vir doelmatige ouer-onderwyserkontak<sup>1<sup>

by W. Postma
Published 1990-02-01

Keeping your eyes continuously on the ball while running for catchable and uncatchable fly balls.

by Dees B W Postma, A Rob den Otter, Frank T J M Zaal
Published 2014-01-01

A Super-Bagging Method for Volleyball Action Recognition Using Wearable Sensors

by Fasih Haider, Fahim A. Salim, Dees B. W. Postma, Robby van Delden, Dennis Reidsma, Bert-Jan van Beijnum, Saturnino Luz
Published 2020-06-01