Leerlingbegeleiding 1982

Investigation of a possible connection between problems of pupils and coaching of pupils. Data on size and organization of school / coaching of pupils by school and by external...关于学生问题与学生辅导之间潜在关联的调查研究。数据集涵盖按学校及校外分类的学生辅导规模与组织形式相关数据……