1. Het Oerwoud;Ayensu,1982
2. Parent–child relationship. Influences on children’s transition to school;Barth;Merritt-Palmer Quarterly,1993
3. Coping in context: goal frustration and goal ambivalence in relation to academic and interpersonal goals;Boekaerts,1998
4. The online motivation questionnaire: a self-report instrument to assess students’ context sensitivity;Boekaerts,2001
5. Self-regulated learning: finding a balance between learning goals and ego-protective goals;Boekaerts,2000