Lutfiansah, Kevin, Marifatul Jannah, Moch Murtaqi, and Savatasya Arina Salsabila. 2021. “Attracting Students’ Interest in Learning English Through Quipper School Premium in 12th Grade of SMAN 1 Karangkobar”. Conference on English Language Teaching, June, 65-75. https://doi.org/10.24090/celti.2021.267.