Labor (1) Teachers--Training of (1) Teachers (1) Sunday (1) Students (1) Signs and symbols (1) Research (1) Preschool teachers (1) Interviews (1) Happiness (1) Elementary school teachers (1) Education, Primary (1) Education, Higher (1) Education (1) Diffusion (1) Communities (1) Building (1) Profesores--Formación profesional (1) Profesores de enseñanza primaria (1) Profesores de enseñanza preescolar (1) Identidad (1) Domingo (1) Estudiantes (1) Entrevistas (1) Educación (1) Profesores (1) Información (1) Signos y símbolos (1) Felicidad (1) Comunidad (1)