Peningkatan Kemampuan Mengenal dan Menggunakan Uang melalui Simulasi Jual Beli Berbasis Problem Based Learning pada Murid Tunagrahita SMPLB di SLB AC Dharma Wanita Sidoarjo. Advances In Education Journal , [S. l.], v. 3, n. 2, p. 72–85, 2026. Disponível em: https://journal.al-afif.org/index.php/aej/article/view/1231. Acesso em: 16 oct. 2026.