Leow, M. H., Norhaslinda Hassan, Lusi Susilawati, & Muhammad Satria Sa’ban. (2026). Current Trend of AI in Higher Education Self-Directed ESL/EFL: An Activity Theory Approach. Environment-Behaviour Proceedings Journal, 11(35), 69–76. https://doi.org/10.21834/e-bpj.v11i35.7551