Umasugi, Sitti Mutia, Sugiman Sugiman, Padrul Jana, and Pornphirom Kraiviset. 2022. “Realistic Mathematics Education (RME)-Based Learning Trajectory for Arithmetic Social Using Culinary Context of Yogyakarta”. Jurnal Kependidikan: Jurnal Hasil Penelitian Dan Kajian Kepustakaan Di Bidang Pendidikan, Pengajaran Dan Pembelajaran 8 (4):985-96. https://doi.org/10.33394/jk.v8i4.6176.