Setiawan, Erik, AND 		Entusiastik, Entusiastik.
" ONLINE ENGLISH TEACHING BY USING GOOGLE CLASSROOM AND ITS CHALLENGES DURING COVID-19 PANDEMIC AT SMAN 1 GEDEG MOJOKERTO" <em>Jurnal Pendidikan Bahasa Inggris Proficiency</em> [Online], Volume 4 Number 1 (13 January 2022)