Keberlanjutan sertifikasi SVLK pada hutan rakyat dengan pendekatan kemampuan membayar petani (Studi di Provinsi Jawa Timur) = Sustainability of SVLK certification on private forest with approach of farmers’ ability to pay (Study in East Java Province).

Identifikasi kontinuitas gua bawah tanah menggunakan metode resistivitas pada Kawasan Pesona Khayangan Juanda di Pinggiran Sungai Ciliwung Depok Jawa Barat = Identification of underground cave continuity using resistivity method at pesona khayangan juanda area on the edge of Ciliwung River Depok West Java

Erosi dan produktivitas lahan di daerah aliran Ciliwung hulu = Erosion and land productivity in upstream Ciliwung watershed

Evaluasi kesesuaian lahan dan desain sumur resapan di daerah aliran sungai (DAS) Ciliwung = Evaluation on land suitability and design of recharge well in Ciliwung watershed

Nilai ekonomi ekosistem hutan mangrove dan persepsi masyarakat terhadap keberadaan hutan mangrove di Kuala Langsa, Aceh = Economic value of mangrove forest ecosystem and local peoples s perception of the excistence of mangrove forest in Kuala Langsa, Aceh