Columbia subject headings:
Harvard subject headings:
Education, Primary--Brazil--São Paulo (State)
Grade repetition--Brazil--São Paulo (State)
Literacy--Brazil--São Paulo (State)
Portuguese language--Study and teaching (Elementary)--Brazil--São Paulo (State)
Princeton subject headings:
Curriculum planning--Brazil--São Paulo (State).
Education, Primary--Brazil--São Paulo (State).
First grade (Education)--Brazil--São Paulo (State).
Grade repetition--Brazil--São Paulo (State).
Literacy--Brazil--São Paulo (State).
Portuguese language--Study and teaching (Primary)--Brazil--São Paulo (State).
Reading (Primary)--Brazil--São Paulo (State).