Employees (1) Teaching (1) Students (1) Science (1) Rural schools (1) Quality of products (1) Production (Economic theory) (1) Plants (1) Natural history (1) Methodology (1) Learning, Psychology of (1) Interviews (1) Multicultural education (1) Coloring matter (1) Mapuche language (1) Educación intercultural (1) Lengua mapuche (1) Calidad (1) Escuelas rurales (1) Ciencias (1) Estudiantes (1) Entrevistas (1) Colorantes (1) Enseñanza (1) Producción (1) Ciencias naturales (1) Metodología (1) Cultura (1) Plantas (1) Trabajadores (1)