Analisis Implementasi Pajak Air Tanah atas Dewatering (Pengeringan Air Tanah) di Provinsi DKI Jakarta : antara Pengendalian Eksternalitas Negatif dan Produktivitas Penerimaan = Analysis Implementation of Groundwater Tax on Dewatering in DKI Jakarta Province : between Controlling Negative Externalities and Revenue Productivity.

Evaluasi Kebijakan Pajak Air Tanah untuk Pengendalian Eksternalitas Negatif di DKI Jakarta = Evaluation of Groundwater Tax for Controlling Negative Externalities in DKI Jakarta

Implementasi kebijakan pajak air tanah di DKI Jakarta dalam menanggulangi eksternalitas negatif akibat pemakaian air tanah = Groundwater tax implementation in Jakarta Province to anticipate overdrawing of groundwater negative externalities

Analisis Formulasi Kebijakan Opsen Pajak Kendaraan Bermotor di Provinsi Jawa Barat = Analysis of Motor Vehicle Surcharge Tax Policy Formulation in West Java Province

Analisis pengenaan pajak air permukaan (Telaah kritis pengenaan pajak air permukaan di Provinsi Sumatera Utara) = Analysis of surface water tax imposition (Critical study of the imposition of surface water tax in North Sumatra Province).