Umam, M. A. K. ., Iriani, D. . and Novferma (2024) “Development of Problem-Based Learning (PBL) based mathematics comic media using Pixton to improve students’ mathematical problem-solving skills in class VIII junior high school”, Journal Focus Action of Research Mathematic (Factor M), 7(1), pp. 92–109. doi: 10.30762/f_m.v7i1.2623.