Karakteristik sumberdaya wisata alam berbasis geomorfologi di Kecamatan Ciemas = The characteristics of nature tourism based on geomorphology in Ciemas Sub District / Jessica Pingkan

Gagasan Pemberdayaan Perempuan dalam Elitorial Majalah Glamour USA Januari - Desember 2007

Kelayakan wisata alam pemandangan untuk kegiatan mancakrida outbound practice di daerah istimewa yogyakarta = The feasibility study of landscapes nature based tourism for mancakrida outbound practice in special region yogyakarta

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

Evaluasi Fungsi Community Development dan Community Relation pada Program Pariwisata Berbasis Komunitas. (Studi Kasus: Program CSR Wisata Alam Papalidan River Tubing) = Evaluation of Community Development and Community Relations Functions in Community-Based Tourism Programs. (Case Study: Papalidan River Tubing Nature Tourism CSR Program)