Construct validity of self-concept in TIMSS’s student background questionnaire: a test of separation and conflation of cognitive and affective dimensions of self-concept among Saudi eighth graders
European Journal of Psychology of Education (2013) - Comments
doi: 10.1007/s10212-012-0162-1  issn: 0256-2928  issn: 1878-5174 

Maher M. Abu-Hilal, Faisal A. Abdelfattah, Saleh A. Alshumrani, Adel S. Abduljabbar, Herbert W. Marsh