Studi timbulan dan komposisi limbah padat sebagai analisa dasar teknik operasional pada kawasan komersial: studi kasus: pertokoan di jalan arteri sekunder Haji Asmawi Kota Depok = Study of solid waste generation and composition as a basic technical analysis on operational at commercial area: case study: shops at secondary arterial road Haji Asmawi Depok

Studi timbulan dan komposisi, serta sistem penanganan limbah padat di pusat perbelanjaan modern: studi kasus: Plaza Kalibata, Jakarta Selatan = Solid waste generation composition and its management in modern shopping centre: case study: Plaza Kalibata, South Jakarta

Studi timbulan dan komposisi limbah padat sebagai dasar penanganan limbah padat di Perumahan Duta Harapan Kota Bekasi = Study of solid waste generation and composition as solid waste handling at Duta Harapan Bekasi City

Studi efektivitas dan efisiensi unit pengolahan sampah (UPS) dalam pengelolaan sampah di kota Depok: studi kasus: UPS TPA Hanggar 4 Cipayung = Study on effectiveness and efficiency of material recovery facility in Depok city management: case study: UPS TPA Hanggar 4 Cipayung

Hubungan antara partisipasi pemilahan sampah dengan penerimaan informasi sosialisasi, pengetahuan dan sikap terhadap lingkungan (suatu kajian di RW 16, Kelurahan Tugu, Kecamatan Cimanggis, Kota Depok) = A study of household waste separation practice through an examination of participation information dissemination environmental knowledge and environmental attitude (a study in a community group in Tugu Village Cimanggis subdistrict City of Depok)