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)

Daya dukung kawasan ekowisata mangrove berkelanjutan (suatu kajian di kawasan mangrove Pulau Untung Jawa, Kepulauan Seribu) = Carrying capacity of sustainable mangrove ecotourism area (a study in mangrove forest Area in Untung Jawa Island, Thousand Islands) / Josua Leo Petra

Collaborative Governance Dalam Pencegahan Kebakaran Hutan dan Lahan (Karhutla) di Provinsi Riau = Collaborative Governance in Preventing Forests and Land Fires in Riau Province

Potensi Pengembangan Ekowisata Mangrove di Kabupaten Karawang = Potential Development of Mangrove Ecotourism in Karawang Regency

Studi Pengembangan Ekoturisme di Kawasan Ekosistem Hutan Mangrove (Studi Kasus di Ekosistem Hutan Mangrove Segara Anakan, Cilacap)