Hačatrjana, L. . and Linde, I. . (2023) “Piloting Supplementary Materials Aimed at Developing Students’ Problem-Solving and Self-Regulated Learning Skills”, International Journal of Learning, Teaching and Educational Research, 22(6), pp. 475–493. Available at: http://www.ijlter.net/index.php/ijlter/article/view/1662 (Accessed: 2 November 2026).