Items where Author is "Ongko, Yenny"
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Ongko, Yenny (2002) Rancangan dan usaha peningkatan kualitas layanan di supermarket Tops HR. Muhammad. Other thesis, Petra Christian University.
Ongko, Yenny (2002) Rancangan dan usaha peningkatan kualitas layanan di supermarket Tops HR. Muhammad. Other thesis, Petra Christian University.