Author Pretorius, J. W. M. Orthopedagogics aTranslation 1997 [Edited anuary 2025. Translation (2008) of Die problematiese opvoeding situasie: ‘n ortopedagogiek leerboek. Johannesburg: McGraw-Hill, 1976. EDITED January 2025. pesTITLE.pdf pesBONT.pdf pesCH1.pdf pesch2.pdf pesCH3.pdf pesCH4.pdf pesCH5.pdf