Azizah SBH, R. T., and A. Susanti. “The Correlation Between Students’ Speaking Skills And Self-Directed Learning In Virtual English Community”. Paramasastra : Jurnal Ilmiah Bahasa Sastra Dan Pembelajarannya, vol. 8, no. 2, Dec. 2021, pp. 146-63, doi:10.26740/paramasastra.v8n2.p146-163.