Konstruktie en scoringssysteem van de I.S.I.-interessetest, vorm I en II
By: Vincentius Johannes Welten
Contributors: Rijksuniversiteit te Groningen
Publisher: Wolters-Noordhoff
Published: 1969
Place of publication: Groningen
Language: dut
Number of pages: 139
Subjects: Interest (Psychology)
Other titles: De I.S.I.-interessetest.
Notes: Thesis (doctoral)--Rijksuniversiteit te Groningen, 1969.

With an English summary.