Pengaruh pemberian air terhadap kurva pembentukan leachate pada sampah Fakultas Teknik Universitas Indonesia Depok = The impact of water supply on leachate forming process at Faculty of Engineering, University of Indonesia, Depok

Potensi daur ulang serta alur perjalanan material sampah daur ulang: studi kasus: TPST Ancol, Jakarta Utara = Recycling rate with flow of recycling solid waste: material recovery facility Ancol, North Jakarta

Potensi dan alur perjalanan material sampah daur ulang di pasar tradisional: studi kasus: TPS Pasar Youtefa, Kota Jayapura = Potential and flow of recycling waste at traditional market: material recovery facilitity Youtefa Market, Jayapura City

Partisipasi dan Kesediaan Membayar (WTP) Rumah Tangga atas Layanan Curbside Recycling di DKI Jakarta, Indonesia = Household`s Participation and Willingness-to-pay (WTP) for the Curbside Recycling Service in Jakarta, Indonesia

Recycling rate dan recovery rate di Tempat Rekreasi serta alur perjalanan material daur ulang (studi kasus: TPST Ancol, Jakarta Utara) = Recycling rate and recovery rate at Amusement Park with flow of recycling waste (case study: Material Recovery Facility Ancol, Jakarta)