Dinamika Ekonomi Sirkular Pengelolaan Ekowisata Mangrove Berkelanjutan (Studi Kasus Brebes Dan Sekitarnya) = Dynamics of the Circular Economy of Management of Sustainable Mangrove Ecotourism (Case Study of Brebes and its Surroundings)

Pariwisata Kawasan Pesisir Dalam Pengembangan Ekowisata Berkelanjutan.= Coast Tourism in Development of Sustainable Ecotourism

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)

Tahap Perkembangan Objek Wisata di Kabupaten Banyumas, Propinsi Jawa Tengah = Phase Development of Tourism Object in Banyumas, Central Java

Analisis pelaksanaan perlindungan lingkungan dalam gerakan fair trade studi kasus petani kopi anggota koperasi permata Gayo kabupaten Bener Meriah Nanggroe Aceh Darussalam = Analysis of environmental protection in fair trade movement case study coffee farmers under Permata Gayo cooperative in the regency of Bener Meriah Nanggroe Aceh Darussalam