état (1) batterie (1) recherche (1) province (1) environnement (1) Afrique (1) Children (1) Methods (1) South Africa (1) Signs and symbols (1) Signs and signboards (1) Schools (1) Research (1) Performance (1) Nature and nurture (1) Motor ability (1) Impact (1) Girls (1) Evaluation (1) Euthenics (1) Ecology (1) Children (1) Boys (1) Tax assessment (1) Apraxia (1) Adaptation (Biology) (1) Methods (1) Disabilities (1) Research (1) Performance (1)