How to make training surveys; curriculum techniques for training in school, college, business, industry, civil service, and the armed forces
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Los Angeles
California
1954.
|
| विषय: |