“Mobile-based Tajwid 1 Learning Media at the Gontor Entrance Guidance Institution with the Demonstration Method: Media Pembelajaran Berbasis Mobile Tajwid 1 Pada Lembaga Bimbingan Masuk Gontor Dengan Metode Demonstrasi” (2021) Procedia of Engineering and Life Science, 1(1). doi:10.21070/pels.v1i1.1063.