Ratnam, Kavitha, Kumaran Gengatharan, and Szarmilaa Dewie A/p Krishnan. “Integrating Higher Order Thinking Skills (HOTS) Activities to Enhance English-Speaking Proficiency Among Form Four Students”. International Journal of Academic Research in Progressive Education and Development 14, no. 3 (August 23, 2025): 1393–1400. Accessed October 29, 2025. https://ijarped.com/index.php/journal/article/view/3751.