Wulandari, I., M. Nasution, and Z. Amri. “Pengembangan Buku Saku Digital Berbasis Science, Technology, Engineering, and Mathematics Pada Materi Perbandingan Siswa SMP”. Jurnal Cendekia : Jurnal Pendidikan Matematika, Vol. 7, no. 2, June 2023, pp. 1635-46, doi:10.31004/cendekia.v7i2.2446.