Sistem pengumpulan limbah padat industri ke platform dan pengangkutan alternative fuel and raw material (AFR) ke industri semen (studi kasus: PT Indocement Tunggal Prakarsa Tbk, Pabrik Citeureup, Bogor, Jawa Barat) = Industrial solid waste collection system to Platform and Transportation of Alternative fuel and raw material (AFR) to cement industry (case study: PT Indocement Tunggal Prakarsa Tbk, Citeureup Plant, Bogor, West Java)

Pengolahan limbah padat industri menjadi alternative fuel and raw material (afr) untuk industri semen (studi kasus: PT Indocement Tunggal Prakarsa tbk, pabrik Citeureup, Bogor, Jawa Barat) = Treatment of solid waste industry as alternative fuel and raw material (afr) in cement industry (case study: PT Indocement Tunggal Prakarsa tbk, Citeureup plant, Bogor, West Jawa)

Pengaruh karakter kewirausahaan terhadap perkembangan dan keberlanjutan bank sampah (studi kasus bank sampah di kota Depok tahun 2014) = the influence of entrepreneurship character towards development and sustainability of waste bank (case study on Depok waste banks year 2014)

Pengolahan limbah cair pabrik tekstil ditinjau dari analisis biaya: (studi kasus pengelolaan lingkungan pabrik tekstil PT. UNITEX. Bogor = Cost analysis of liquid waste treatment in textile industry: (a case study of PT. UNITEX. Bogor, West Java

Perancangan Pembangunan Fasilitas Pengolahan Sampah Menjadi Energi Listrik (PSEL) DKI Jakarta Wilayah Barat = Design for the Construction of Waste Processing Facilities into Electrical Energy (WtE) in DKI Jakarta, West Region