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BARTONO PH,SE, RUFFINO E.M.. (2005). FOOD PRODUCT MANAGEMENT DI HOTEL DAN RESTORAN . Yogyakarta: Penerbit INFORMATIKA.

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BARTONO PH,SE, RUFFINO E.M.. FOOD PRODUCT MANAGEMENT DI HOTEL DAN RESTORAN. Yogyakarta: Penerbit INFORMATIKA, 2005. Text.

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BARTONO PH,SE, RUFFINO E.M.. FOOD PRODUCT MANAGEMENT DI HOTEL DAN RESTORAN. Yogyakarta: Penerbit INFORMATIKA, 2005. Text.

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BARTONO PH,SE, RUFFINO E.M.. FOOD PRODUCT MANAGEMENT DI HOTEL DAN RESTORAN. Yogyakarta: Penerbit INFORMATIKA, 2005. Print.