Pengembangan sarana dan prasarana dikawasan ekowisata. (Studi kasus : telaah di kawasan taman hutan raya Wan Abdul Rachman) = The development of the infrastructures in ecotourism area study case examination in the taman hutan raya wan abdul rachman area

Obyek rekreasi hutan wana wisata ; di wilayah kerja PERUM PERHUTANI unit I. Jawa Tengah

Analisis daya dukung lingkungan ekowisata di kawasan pesisir dan laut (suatu kajian di Pulau Pari, Kabupaten Administrasi Kepulauan Seribu, Propinsi DKI Jakarta) = Carrying capacity analysis of the environmental ecotourism in coastal and marine areas (a study in Pari Island thousand islands district DKI Jakarta Province)

Strategi pengelolaan ekominawisata mangrove (kasus Pulau Lumpur di Muara Sungai Porong Sidoarjo) = Mangrove eco fisheries tourism management strategy (case study of Lumpur Island in Porong Sidoarjo Estuary) / Yanelis Prasenja

Dampak industri pariwisata terhadap kualitas air tanah di Kuta, Bali = Impact of tourism industry on quality of ground water in Kuta, Bali