Cabanillas A. A Quasi-Experimental Study on the Effectiveness of Activity Worksheets in Enhancing Grade 9 Learners’ Performance in Geometry . JESS [Internet]. 2026 Mar. 31 [cited 2026 Apr. 1];4(1):66-79. Available from: https://journals.researchsynergypress.com/index.php/jess/article/view/3836