Lumban Tobing, Roswita, and Dwiyanto Djoko Pranowo. “BLENDED LEARNING IN FRENCH INTERMEDIATE GRAMMAR LEARNING: IS IT EFFECTIVE?”. Jurnal Cakrawala Pendidikan, vol. 39, no. 3, Oct. 2020, pp. 645-54, doi:10.21831/cp.v39i3.32035.