Prinsloo, J. F.Ellis, Daniel Cornelius Francois2016-02-192016-02-19196919692016-02-03http://hdl.handle.net/11660/2343Abstract not availableafDissertation (M.A. (Psychology))--University of the Free State, 1969Pupil (Eye)Attitude (Psychology)College students'n Sielkundige ondersoek na die betroubaarheid en die bruikbaarheid van die pupilmeter in die meting van houdings by universiteitstudenteDissertationUniversity of the Free State