Levitt, Theodore, author
Pan Books, 1962
Buku Teks
Levitt, Theodore, author
McGraw-Hill, 1962
Buku Teks
Elias G. Carayannis, Urmas Varblane, Tonu Roolaht, editors
[Springer, ], 2012
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Kotler, Philip, author
Harvard Business School Press, 2002
Buku Teks
Solikin M. Juhro, author
Bank Indonesia Insitute, 2019
Artikel Jurnal