Perluasan Cagar Alam Ujung Kulon di Gunung Honje: untuk mempersiapkan Taman Nasional Ujungkulon (1967-2011) = Expansion of the Ujung Kulon Nature Reserve on Mount Honje: to prepare the Ujung Kulon National Park (1967-2011)

Analisis isu permukiman di tiga taman nasional Indonesia

Keanekaragaman fauna ikan ekosistem mangrove di kawasan taman nasional Ujung Kulon, Pandeglang-Banten = Biodiversity of fish fauna mangrove ecosystem at Ujung Kulon National Park Pandenglang-Banten

Upaya pengamanan dalam kawasan taman nasional : studi literatur terhadap kawasan taman nasional: Yellowstone di Amerika Serikat, Royal Chitwan di Nepal dan Gunung Gede Pangrango di Indonesia = Pacification efforts within national park area : study of literature towards: Yellowstone National Park in United States, Royal Chitwan in Nepal and mount Gede Pangrango National Park in Indonesia

Unit geomorfologi dan tutupan lahan Taman Nasional Meru Betiri Jawa Timur = Geomorphology unit and land cover of Meru Betiri National Park East Java