Pengaruh perubahan parameter fisik-kimia terhadap aktivitas mikroorganisme selama proses pengomposan sampah organik kantin (studi kasus sampah kantin Fakultas Teknik UI) = Effect of physico chemical parameters changes on microorganisms activities during composting of canteen waste case study canteen waste at Faculty of Engineering Universitas Indonesia

Analisis konsentrasi dan spesiasi logam berat pada pengomposan limbah lumpur ipal domestik (studi kasus: IPAL Waduk Setiabudi Jakarta Selatan) = Analysis of concentration and speciation of heavy metal on domestic sewage sludge composting (case study WWTP Setiabudi South Jakarta)

Analisis Pengaruh Pengomposan terhadap Kandungan Unsur Mikro dan Logam Berat pada Lumpur Hasil Pengolahan STP Bandara Soekarno Hatta = Analysis of the Effect of Composting on the Content of Micro Elements and Heavy Metals in the Processed Sludge of Soekarno Hatta Airport STP

Pengaruh Amobilisasi-Kovalen Bromelain batang pada CNBr-Sepharose 4B terhadap aktivitas dan stabilitas enzim = the Effect of the stem Bromelan Immobilization by Covalent attachment onto CNBr-Sepharose 4B towards enzymatic activities and stabilities

Pengaruh pengomposan terhadap kualitas udara mikrobiologis (Studi kasus: Pengomposan skala laboratorium, Lab. Lingkungan Fakultas Teknik Universitas Indonesia) = Effect of composting on microbiological air quality. (Case study: Laboratory Scale Composting at Environmental Lab. Faculty of Engineering, UI)