Sukarno and Sukarno, orator, “Amanat PJM Presiden Sukarno pada Upatjara Peringatan Tri Pantjawarsa Universitas Gadjah Mada di Siti Hinggil, Jogjakarta, 20 Desember 1964,” Monash Collections Online, accessed September 26, 2023, https://repository.monash.edu/items/show/12600.