Nasution SN. Spirit of nationalism, education and moral religion: nation character building portrayed in Si Bulus-Bulus Si Rumbuk-Rumbuk written by Willem Iskander. IJLLC [Internet]. 2018 Dec. 19 [cited 2026 Aug. 13];5(1):24-31. Available from: https://sloap.org/journals/index.php/ijllc/article/view/478