Tirtoni, Feri, et al. “Pengembangan Media Smart Exploding Box Berbasis Deep Dialogue Critical Thinking Untuk Menghadapi Era Revolusi Industri 4.0”. JURNAL PENDIDIKAN DASAR NUSANTARA, vol. 5, no. 1, July 2019, pp. 191-04, https://doi.org/10.29407/jpdn.v5i1.13589.