T. Setianingsih, B. Z. Nafisah, B. Sumarni, and K. Kamarudin, “Investigating EFL Students’ Speaking Skills Viewed from Self-Efficacy: Instructional Experiences Learned from Seniors High Schools”, JOLLS. Lang. Liter. Studies, vol. 4, no. 4, pp. 883–894, Dec. 2024, doi: 10.36312/jolls.v4i4.2249.