Fathoni, Achmad, et al. “Pelatihan Media Presentasi Powtoon Dan Sparcol Untuk Guru SD Negeri 9 Purwodadi, Grobogan”. Prosiding University Research Colloquium, Oct. 2019, pp. 80-87, https://repository.urecol.org/index.php/proceeding/article/view/836.