experimental investigation to determine the relative effectiveness of two different methods of teaching grade nine drafting.

• 91 Want to read
• 1 Currently reading

Published 1963 .
Written in English

Subjects:

• Mechanical drawing -- Study and teaching

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The Physical Object
Pagination	ii, 78 l.
Number of Pages	78
ID Numbers
Open Library	OL13579260M
OCLC/WorldCa	29019070

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