Predictors of instability in children's mental test performance at 24, 48, and 96 months
1982 ◽
Vol 3
(3)
◽
pp. 237-247
◽
1988 ◽
Vol 80
(2)
◽
pp. 217-233
◽
1977 ◽
Vol 69
(6)
◽
pp. 697-701
◽