Dwikoranto, D., Setiani, R., Prahani, B. K. and Mubarok, H. (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), pp. 259–271. doi: 10.36312/e-saintika.v4i3.314.