A. J. J. M. Ruijssenaars

Validity and Reliability of the Instrument for Assessing the Child’s Constitution (ICC): Individualising Processes in Diagnosing Children With a Developmental Disorder

Joop Hoekman, Martin Niemeijer, Erik W. Baars, 2018, International Journal of Studies in Nursing.

Learning potential assessment: Theoretical, methodological and practical issues

Klaas Sijtsma, A. J. J. M. Ruijssenaars, J. H. M. Hamers, 1993 .