Wiwin Wulandari, and Budi Murtiyasa. “Implementation of Mobile Seamless Learning in Improving Learning Activity and Learning Achievement Students of SMP Negeri 1 Gemolong Sragen During the Period Pandemic”. Proceeding of The International Conference of Inovation, Science, Technology, Education, Children, and Health, vol. 2, no. 1, June 2022, pp. 125-32, https://icistech.org/index.php/icistech/article/view/26.