Research grants and contracts: programmed learning and self-instructional media. : Title VII projects nos. 143 through 985, and Cooperative
United States. Bureau of Educational Research and Development
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《Research grants and contracts: programmed learning and self-instructional media. : Title VII projects nos. 143 through 985, and Cooperative 》,United States…
书目信息
- 作者
- United States. Bureau of Educational Research and Development
- 分类
- 综合与其他
- 语言
- 英语
- 来源
- HathiTrust