L. A. H. . Qais and A. S. . Mater, “DIGITAL COMPETENCE OF ENGLISH LANGUAGE TEACHERS IN SAUDI ARABIA AND YEMEN: A SYSTEMATIC REVIEW OF RESEARCH TRENDS, CHALLENGES, AND PROFESSIONAL DEVELOPMENT NEEDS”, Electron. J. Univ. Aden Hum. Social Sci., vol. 7, no. 3, pp. 537–566, Sep. 2026.