Nuraini, Adelia Eka Putri, and Asri Wibawa Sakti. “Calistung Learning Effectiveness Using Zoom Cloud Meeting Video for Students in Elementary School During Covid-19 Pandemic”. Jurnal Abmas, vol. 21, no. 2, Dec. 2021, pp. 71-78, https://doi.org/10.17509/abmas.v21i2.39324.