Abdullah Al-Qumeizi, Hamad bin. “Secondary School Biology Teachers' Perceptions of Science, Technology, Engineering and Mathematics (STEM) Educational Trend and the Level of Teaching Self- Efficacy”. Amazonia Investiga 8, no. 23 (October 11, 2019): 582–601. Accessed September 16, 2025. https://mail.amazoniainvestiga.info/index.php/amazonia/article/view/906.