Distance learning for technical and vocational education at pre-university level establishments of open tech type /
Blackburn, David A
Distance learning for technical and vocational education at pre-university level establishments of open tech type / David A. Blackburn;R. C. Smith. - Paris : UNESCO, 1987. - 52 p. - Studies in technical and vocational education ; 27. .
374.1 (410) =20 BLA No.27.
Distance learning for technical and vocational education at pre-university level establishments of open tech type / David A. Blackburn;R. C. Smith. - Paris : UNESCO, 1987. - 52 p. - Studies in technical and vocational education ; 27. .
374.1 (410) =20 BLA No.27.