Items where Author is "Widjaja, Ivonne Juliana"
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Widjaja, Ivonne Juliana (2007) Business project proposal of Lasagna House and Coffee Bar. Bachelor thesis, UNSPECIFIED.
Widjaja, Ivonne Juliana (2002) Tinjauan dampak turnover tenaga kerja terhadap kualitas pelayanan di coffee house New Park Centra Hotel Singapura. Bachelor thesis, UNSPECIFIED.