Effects of a school-based health intervention and cross-sectional associations of schoolchildren’s academic performance, selective attention and health-related quality of life in Port Elizabeth, South Africa 17. Sep 2020 Stefanie Gall (English) (September 2020): Effects of a school-based health intervention and cross-sectional associations of schoolchildren’s academic performance, selective attention and health-related quality of life in Port Elizabeth, South Africa (dissertation)
