Fatmawati, F. et al. 2023. Virtual Explicit Language Instructional Strategy And Affective Filters on Vocational School In Covid-19 Pandemic. Langit Biru: Jurnal Ilmiah Aviasi. 16, 01 (May 2023), 32–41. DOI:https://doi.org/10.54147/langitbiru.v16i01.636.