Iowa Tests of Educational Development
1960 ◽
Vol 29
(2)
◽
pp. 193-196
◽
1961 ◽
Vol 98
(1)
◽
pp. 119-126
◽
1967 ◽
Vol 4
(3)
◽
pp. 179-190
1960 ◽
Vol 20
(4)
◽
pp. 843-845
◽
2012 ◽
Vol 111
(2)
◽
pp. 443-460
◽
1965 ◽
Vol 44
(1)
◽
pp. 35-39
2019 ◽
Vol 10
(08)
◽
pp. 20592-21600
2017 ◽
Vol 6
(9)
◽