Mazze, Edward Mark
International marketing administration
Chandler Publishing, 1967
Buku Teks SO
Environmental education lecture material international training course on environmental education UNESCO-UNEP International Environmental Education Programme
UNESCO-UNEP International, 1983
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Ajami, riad A
International business : a course on the essentials
Routledge, 2015
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Britt, Steuart Henderson
Marketing management and administration action
McGraw-Hill, 1978
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Cateora, Philip R.
International marketing
McGraw-Hill, 1999
Buku Teks SO