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作者: Alfred R. Root
DOI: 10.1080/00335633009360892
关键词:
摘要:
,1970, 引用: 0
Quarterly Journal of Speech,1945, 引用: 2
,1949, 引用: 0
Journal of Educational Research,1931, 引用: 2
Applied Sciences,2018, 引用: 0
The Journal of Educational Research,1931, 引用: 1