Esterhuyzen E, Louw L. Applying PESTEL Factors to Enhance Sustainable OHS E-Learning: A Theoretical Model for Adult and Continuing Education. AJIMS [Internet]. 2025 Oct. 22 [cited 2026 Apr. 27];7(2):1-17. Available from: https://ojs.sabinet.co.za/index.php/ajims/article/view/3718