Menara gereja Protestan tahun 1901-1942 di Jakarta, Bandung, Semarang, dan Surabaya = Protestant church tower from 1901-1942 period in Jakarta, Bandung, semarang, and Surabaya

Gaya Bangunan Gereja Protestan di Indonesia bagian Barat (GPIB) Griya Mulya Purworejo = Style of The Building of The Protestant Church in Western Indonesia (GPIB) Griya Mulya Purworejo

Analisis dan perancangan sistem informasi akuntansi organisasi nirlaba. Studi kasus pada Gereja Huria Kristen Batak Protestan Depok I = Analysis and development of accounting information system on non profit organization. Case study in Huria Kristen Batak Protestant Church

Sosialisasi dalihan na tolu dalam mencapai hamoraon, hagabeon, dan hasangapon di kalangan keluarga Batak Toba Kristen Protestan di perkotaan: studi pada keluarga etnis Batak Toba jemaat HKBP di DKI Jakarta = Socialization of dalihan na tolu in reaching hamoraon hagabeon and hasangapon in the Protestant Toba family in urban context: study on Toba family in HKBP church in DKI Jakarta

Lahir dan proses kemandirian gereja huria kristen batak protestan 1932-1942 = The birth and self independent process of huria kristen batak protestan church 1932-1942