Pengaruh pengelolaan limbah padat gedung perkantoran terhadap potensi daur ulang limbah padat kertas dan plastik (Studi kasus: Gedung Pusri, Jakarta Barat ) = Study of solid waste management in office building for recycling paper and plastic waste (Case study: Pusri Building West Jakarta)

Evaluasi Tempat Pengolahan Sampah Terpadu dan Potensi Material Daur Ulang Sampah (Studi Kasus : TPST Rawasari, Jakarta Pusat) = Evaluation and Potential of Recycling Waste at Rawasari Material Recovery Facility (MRF), Central Jakarta

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

Daur ulang efluen pengolahan air limbah di kawasan industri (studi kasus: PT. Jababeka Infrastruktur) = Recycling effluent of wastewater treatment in industrial area (case study: PT. Jababeka Infrastruktur)

Analisis Pengelolaan Limbah Cair dan Kualitas Limbah Cair di Rumah Sakit Swasta X Depok = Analysis of Liquid Waste Management and Liquid Waste Quality at Private Hospital X Depok