Não informado. (1996). Journal of Vocational Education and Training. Triangle Journals.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Vocational Education and Training. Wallingford, Inglaterra: Triangle Journals, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Vocational Education and Training. Triangle Journals, 1996.
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