Peran pemerintah Singapura dalam regulasi bahasa Inggris melalui kampanye speak good English movement (2000-2017) = The role of Singaporean government in regulating English language through speak good English movement campaign (2000-2017)

Ruang publik pada kota tepi air = Public space in waterfront city

Ruang ekspresi feminin di ruang publik = Feminine space in public space

Upaya pengambilalihan Delegasi FIR dari Singapura oleh Pemerintah Indonesia (2015-2022): Perjanjian penyesuaian batas FIR antara Indonesia-Singapura = Attempt to take over FIR Delegation from Singapore by Indonesian Government (2015-2022): FIR boundary alignment agreement between Indonesia-Singapore

Strategi pengorganisasian ruang privat dan ruang publik pada rumah tinggal berlahan terbatas = Organizing strategy of private and public space in limited space house