Valuasi ekonomi hutan taman wisata alam Grojogan Sewu = Economic valuation of Grojogan Sewu Tourism Forest

Valuasi ekonomi taman wisata alam laut Pulau Weh : perbandingan antara Travel Cost Method dan Contingent Valuation Method = Economic valuation of Weh Island marine tourism park : comparison between travel cost method and contingent valuation method

Valuasi ekonomi Taman Nasional Kelimutu melalui pendekatan nilai ekonomi wisata = Economic valuation of the Kelimutu National Park using economic value of tourism approach / Ridwan Fauzi

Valuasi ekonomi Taman Wisata Alam laut Pulau Weh : Perbandingan antara Travel cost method dan Contingent Valuation Method = Economic valuation of Natural Park Of The Island Weh: Comparison between Travel cost method and Contingent Valuation Method

Nilai ekonomi taman wisata alam Angke Kapuk Jakarta Utara = An economic valuation of natural tourism park twa Angke Kapuk in north Jakarta / Enny Sulistyowati