Dwikoranto, D., Rahyu Setiani, Binar Kurnia Prahani, and Husni Mubarok. 2020. “Mobile Learning to Improve Student Collaborative Skills: An Alternative to Online Learning in the Era of Covid-19 Pandemic”. Jurnal Penelitian Dan Pengkajian Ilmu Pendidikan: E-Saintika 4 (3): 259-71. https://doi.org/10.36312/e-saintika.v4i3.314.