Rio Yenvan Permana. A strategy to defend the independence of Republic of Indonesia year 1948-1949: PEMERINTAH DARURAT REPUBLIK INDONESIA (PDRI) : Suatu Strategi Mempertahankan Kemerdekaan Republik Indonesia Tahun 1948-1949. JS [Internet]. 2020 Oct. 26 [cited 2025 Jul. 17];4(2):82-91. Available from: https://ejournal.unibabwi.ac.id/index.php/santhet/article/view/1058