Amanda, F. F., Sumitro, . S. B., Lestari, S. R. and Ibrohim, I. (2022) “The Correlation of Critical Thinking and Concept Mastery to Problem-solving Skills: The Role of Complexity Science-Problem Based Learning Model”, Pedagogika, 146(2), pp. 80–94. doi: 10.15823/p.2022.146.4.