Safitri, Handayani, & Erwin Hari Kurniawan. " THE IMPLEMENTATION OF GOOGLE CLASSROOM TO TEACH ENGLISH AT SMPN 2 NGRONGGOT IN PANDEMIC ERA COVID19." Jurnal Pendidikan Bahasa Inggris Proficiency [Online], 3.2 (2021): 42-48. Web. 22 Jan. 2025