- Kejahatan Terorganisasi Lintas-Negara di Eropa Pasca-Brexit, 2016–2022
- A Review Towards Theories, Concepts, Methods in International Relations, and Related International Legal Instruments for Conducting Research on Transnational Organized Crime
- Political Corruption and White-Collar Crime Related to Covid-19 Countermeasures
- A Review Towards Global Crime Governance in Overcoming Trafficking in Cultural Property
- The Basic of Transnational (Organized) Crime: Forms, Characteristics, Analytical Frameworks, & Methods (a book — still in progress)