Graphic communications : a technical drawing course for general education : background paper.
- 3rd ed.
- Paris : Unesco, Section of Technical & Vocational Education, 1982.
- [14] p. : ill.
- INFO TVE ; 6 .
Communication of technical information.
Mechanical drawing--Study and teaching.
Communication--Graphic methods.
Technical education.
Vocational education.
Communication of technical information.
Mechanical drawing--Study and teaching.
Communication--Graphic methods.
Technical education.
Vocational education.