Bhagwandeen DR. Understanding the efficiency of teaching through YouTube vs PowerPoint on concept acquisition by second-year chemistry pre-service teachers. J. indep. teach. learn. (Online) [Internet]. 2024 Nov. 7 [cited 2025 Apr. 25];17(2):63-75. Available from: https://journals.assaf.org.za/index.php/ijtl/article/view/17995