“Effectiveness and Responses of Using Melayu Riau Culture-Based Teaching Materials in IPAS Learning at SDN 189 Pekanbaru”. Primary: Jurnal Pendidikan Guru Sekolah Dasar 14, no. 4 (August 30, 2025): 437–448. Accessed October 31, 2025. https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/84.