[1]
S. Mahani, P. W. Rusimamto, I. G. P. A. Buditjahjanto, and L. Anifah, “Enhancing Critical Thinking and Mathematical Achievement Through Problem-Based-Learning: A Classroom Action Research at SMKN 6 Surabaya”, JPM, vol. 11, no. 1, pp. 96–106, Jul. 2025.