Hasan Zhuri, Hanan Alya, and Maslawati Mohamad. “Teachers’ Perceptions on Differentiated Learning in Teaching English Speaking Skill Among Upper Secondary School Students: A Conceptual Paper”. International Journal of Academic Research in Progressive Education and Development, vol. 13, no. 3, Sept. 2024, https://ijarped.com/index.php/journal/article/view/2940.