Analisis dampak implementasi berbagai skenario rencana kebijakan Jakarta Coastal Defense Strategy terhadap aspek-aspek keberlanjutan kota Jakarta berbasis pemodelan sistem dinamis = Impact analysis of various scenarios implementation of Jakarta Coastal Defense Strategy policy toward Jakarta's sustainability aspects based on system dynamics modeling

Keberlakuan rezim perjanjian non-proliferasi senjata nuklir 1968 terkait dengan perkembangan transfer teknologi dan material nuklir = The enforceability of the treaty on the non-proliferation of nuclear weapons 1968 in relation with the development of the transfer of material and nuclear technology

Studi kelayakan konsep kereta api cepat Jakarta Surabaya melalui metode pembandingan skenario initial cost = Feasibility study of the Jakarta Surabaya high speed railway conceptual design through the comparison of initial cost scenarios

Abolishing nuclear weapons

Nuclear weapons and foreign policy