Handbook on sampling methods applicable to tourism statistics.
निगमित लेखक: | |
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स्वरूप: | पुस्तक |
भाषा: | English |
प्रकाशित: |
Madrid
World Tourism Organization
[1976]
|
श्रृंखला: | [Publications] / World Tourism Organization
[no. 56] |
विषय: |