Wicaksono, S. R., M. S. A. Lubis, E. Suprapto, K. Khasanah, and A. Ulimaz. “Improvisation of Project Based Learning With Combination of Collaborative Learning As Rapid Response to Pandemic Learning”. Jurnal Iqra’ : Kajian Ilmu Pendidikan, vol. 6, no. 2, Dec. 2021, pp. 215-24, doi:10.25217/ji.v6i2.1408.