ID:DA01312392
Symposium on Educational Testing, International
Educational Testing, International Symposium on
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edited by Leo J. Th. van der Kamp, Willem F. Langerak, and Dato N. M. de Gruijter
Wiley c1980
Available at 18 libraries
edited by Dato N. M. de Gruijter and Leo J. Th. van der Kamp
Wiley c1976
Available at 33 libraries
edited by Hans F. Crombag and Dato N. de Gruijter
Mouton c1974 Psychological studies 9
Available at 16 libraries