Siligar, E.I Pusta, Ratu Ilma Indra Putri, Zulkardi Zulkardi, and Hapizah Hapizah. 2026. “Double Discount at Pempek Stall: Learning Trajectory Using New Math Pempek Menu List Contexts”. Edumatica : Jurnal Pendidikan Matematika 16 (1). https://www.online-journal.unja.ac.id/edumatica/article/view/45161.