Nasution, S.N. 2018. Spirit of nationalism, education and moral religion: nation character building portrayed in Si Bulus-Bulus Si Rumbuk-Rumbuk written by Willem Iskander. International journal of linguistics, literature and culture. 5, 1 (Dec. 2018), 24–31. DOI:https://doi.org/10.21744/ijllc.v5n1.478.