International Seminar on Tourist Vocational Training in Africa, Nairobi (Kenya), 1972, & International Labour Office. (1972). Tourism vocational training in Africa, Nairobi (Kenya) held Sept., 1972. IUOTO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Seminar on Tourist Vocational Training in Africa, Nairobi (Kenya), 1972, और International Labour Office. Tourism Vocational Training in Africa, Nairobi (Kenya) Held Sept., 1972. Geneva: IUOTO, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Seminar on Tourist Vocational Training in Africa, Nairobi (Kenya), 1972, और International Labour Office. Tourism Vocational Training in Africa, Nairobi (Kenya) Held Sept., 1972. IUOTO, 1972.
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