Items where Author is "Ongkojoyo, Ellen"
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Thesis
Wulandari, Kusuma and Ongkojoyo, Ellen (1999) Usaha meningkatkan kembali kunjungan wisatawan mancanegara ke Indonesia dengan tujuan memperbaiki citra Indonesia. ['eprint_fieldopt_thesis_type_engd' not defined] thesis, Petra Christian University.