Kebijakan pemeritah kolonial Hindia Belanda dalam melestarikan alam di Hindia Belanda 1900-1942 = The colonial goverment's policy of nature conservation in Dutch East Indies 1900-1942

Dampak Kebijakan Penutupan Lokalisasi Sunan Kuning Semarang Tahun 2019 pada Bidang Sosial Budaya = The Impact of the Sunan Kuning Semarang Localization Closure Policy in 2019 in The Socio-Cultural Field

Pengaruh Politik Etis dan Feminisme Belanda di Hindia Belanda terhadap Kartini = The Influence of Dutch Ethical Politics and Feminism in Dutch East Indies

Dinamika Pendidikan di Hindia Belanda Pada Masa Awal Penerapan Wilde Scholen Ordonantie (1932) Berdasarkan Surat Kabar di Hindia Belanda = Dynamics of Education in the Dutch East Indies in the Early Period of the Implementation of the Wilde Scholen Ordonantie (1932) Based on Newspapers in the Dutch East Indies

Kegiatan perdagangan Jepang di Hindia Belanda (Indonesia) pada tahun 1920-1940 = Japanese trade activities in the dutch East Indies (Indonesia) in 1920 to 1940