Estimasi underground economy tingkat provinsi di Indonesia = Estimation of underground economi at provincial level in Indonesia

Off the books : the rise the underground economy / Philip Mattera

Dampak infrastruktur terhadap ketimpangan pendapatan di Indonesia: apakah dampaknya telah meningkatkan atau mengurangi ketimpangan pendapatan? = The Impact of Infrastructure on Income Inequality in Indonesia: Has the impact increased or reduced income inequality?

Efektivitas sektor informal bidang perdagangan dalam meningkatkan pendapatan orang miskin di Kelurahan Galur Jakarta Pusat

Tindakan kolektif pedagang informal Barel terhadap penutupan pintu Barel oleh Universitas Indonesia = Collective action of Barel's informal sector traders against the closing of Barel?s gate by University of Indonesia