Luangsombath, S. “The The Effectiveness of Video-Based Instruction in Enhancing English Language Competency: Evidence from Dondaeng Upper Secondary School, Laos”. Souphanouvong University Journal Multidisciplinary Research and Development, vol. 12, no. 01, Jan. 2026, pp. 50-60, doi:10.69692/SUJMRD1250.