Technical occupations in research design and development, considered as directly supporting to engineers and physical scientists.
Technical occupations in research design and development, considered as directly supporting to engineers and physical scientists.
- [Washington] 1961.
- vi, 113 p. 23 x 12 cm.
"BES no. E-194." "Prepared ... in cooperation with the National Science Foundation."
l 61000033
Technology--Vocational guidance.
TA158 / .U6
658.312
"BES no. E-194." "Prepared ... in cooperation with the National Science Foundation."
l 61000033
Technology--Vocational guidance.
TA158 / .U6
658.312