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the development of engineering design capabilities in develo: ping countries/ - 1 ed. - usa : united nations 1972. - "ix, 71p.; 24 cm."
620. 004 25 dev
the development of engineering design capabilities in develo: ping countries/ - 1 ed. - usa : united nations 1972. - "ix, 71p.; 24 cm."
620. 004 25 dev