(2026). Indonesian Journal of Education and Mathematical Science. Universitas Muhammadiyah Sumatera Utara.
Citazione stile Chigago Style (17a edizione)Indonesian Journal of Education and Mathematical Science. Universitas Muhammadiyah Sumatera Utara, 2026.
Citatione MLA (9a ed.)Indonesian Journal of Education and Mathematical Science. Universitas Muhammadiyah Sumatera Utara, 2026.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.