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Panglaykim, Yusuf. (1974). Trends in Marketing. . Jakarta: Centre for Strategic and International Studies.

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Panglaykim, Yusuf. Trends in Marketing.. Jakarta: Centre for Strategic and International Studies, 1974. Text.

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Panglaykim, Yusuf. Trends in Marketing.. Jakarta: Centre for Strategic and International Studies, 1974. Text.

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Panglaykim, Yusuf. Trends in Marketing.. Jakarta: Centre for Strategic and International Studies, 1974. Print.