Putra, Eric Dwi, Slamin, Arika Indah Kristiana, and Abi Suwito. 2025. “Development of Educational Research on Integrated Combinatorial-Thinking Learning Model: Combinatorial Thinking Skills”. International Journal of Innovative Research and Scientific Studies 8 (2):1821-32. https://doi.org/10.53894/ijirss.v8i2.5552.