Bon, S., Sorn, T. and Sao, V. 2026. Secondary School Students’ Self-Directed Learning with Technology: Levels, Perceptions, and Influencing Factors. Journal of Learning for Development . 13, 2 (Jul. 2026), 246–257. DOI:https://doi.org/10.56059/jl4d.v13i2.2161.