Valuasi ekonomi obyek wisata pantai pasir putih parbaba kabupaten samosir dengan menggunakan travel cost method dan contingent valuation method = Economic valuation tourism object pantai pasir putih parbaba samosir using travel cost method and contingent valuation method / Portim Manullang

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

Valuasi ekonomi obyek wisata Pantai Teleng Ria Kabupaten Pacitan dengan metode biaya perjalanan (Travel Cost Method) = Tourism economic valuation of Teleng Ria Beach Pacitan regency using Travel Cost Method (TCM)

Pola nilai permintaan wisata alam Danau Toba kabupaten Toba Samosir dengan pendekatan biaya perjalanan = Demand value pattern of nature tourism in Toba Lake, Toba Samosir regency by travel cost approach

Valuasi dan Evaluasi Pengetahuan Masyarakat Tentang Keanekaragaman Hayati Tanaman Obat di Desa Wisata Kubu Gadang, Padang Panjang, Sumatera Barat. = Valuation And Evaluation of people's knowledge on Medicine Plant's diversity in Desa Wisata Kubu Gadang, Padang Panjang, Sumatera Barat