HASAN BASRI, Muhammad; ANGGRAINI SEBAYANG, F. Ari; C. RANUNTU, Garryn. Developing English Course Syllabus And Course Material By Integrating The Life Story Of Sam Ratulangi. ELS Journal on Interdisciplinary Studies in Humanities, [S. l.], v. 8, n. 3, p. 879–892, 2025. DOI: 10.34050/els-jish.v8i3.44908. Disponível em: https://journal.unhas.ac.id/index.php/jish/article/view/44908. Acesso em: 2 may. 2026.