Rumble, G., & Oliveira, J. (1992). Vocational education at a distance: International perspectives. Kogan Page in association with the International Labour Office.
Chicago Style aipamenaRumble, Greville, and Joa̧o Oliveira. Vocational Education at a Distance: International Perspectives. London: Kogan Page in association with the International Labour Office, 1992.
MLA aipamenaRumble, Greville, and Joa̧o Oliveira. Vocational Education at a Distance: International Perspectives. Kogan Page in association with the International Labour Office, 1992.
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