1984-5987 1984-5987 S1984-59872020000100308 10.12957/childphilo.2020.48363 Brazil Brazil 00 00 2020 00 00 2020 16

2000 43 2 2 195-222 2005 2000 1964 1967 2003 a 183-98 2003 b 97-113 1953 1955 1969 1993