Estudio (2) Evolution (Biology) (1) Early childhood education (1) Teenagers (1) Teachers--Training of (1) Teachers (1) Students (1) Self-perception (1) Schools (1) Profit (1) Paper (1) Nursery schools (1) Learning, Psychology of (1) Interviews (1) Friendship (1) Evaluation (1) Elementary schools (1) Education (1) Creation (1) Claves (1) Ciphers (1) Children (1) Character (1) Basque language (1) Audio-visual materials (1) Profesores--Formación profesional (1) Claves (1) Educación de la primera infancia (1) Autoconcepto (1) Evaluación (1)