LESTARY, Ratnah; APRIANI, Mulya Sarti; KESUMA, Rizki Putri; CAHYO, Riko Dwi; SIAGIAN, Teddy Alfra. Design of Android-Based Learning Media “MathArt” on Simple Interest, Discounts, and Taxation at the Lower Secondary Level of Education. Vygotsky: Jurnal Pendidikan Matematika dan Matematika, [S. l.], v. 6, n. 2, p. 99–110, 2024. DOI: 10.30736/voj.v6i2.1028. Disponível em: https://jurnalpendidikan.unisla.ac.id/index.php/VoJ/article/view/1028. Acesso em: 28 feb. 2026.