Mahani, Sollia, Puput Wanarti Rusimamto, I Gusto Putu Asto Buditjahjanto, and Lilik Anifah. “Enhancing Critical Thinking and Mathematical Achievement Through Problem-Based-Learning: A Classroom Action Research at SMKN 6 Surabaya”. Jurnal Pendidikan Matematika (JPM) 11, no. 1 (July 24, 2025): 96–106. Accessed August 20, 2026. https://riset.unisma.ac.id/index.php/jpm/article/view/23453.