Heydemans NA, Langi FM. KONTRIBUSI MR. ALEXANDER ANDRIES MARAMIS BAGI NEGARA KESATUAN REPUBLIK INDONESIA. JIPSK [Internet]. 2020Jul.1 [cited 2025Jul.1];5(1):47-58. Available from: https://ejournal.ipdn.ac.id/khatulistiwa/article/view/984