Nurjanah, S., and J. Suprihatiningrum. “Jigsaw Infused Tic-Tac-Toe Learning Model: A Chance to Gain Student’s Concentration and Conceptual Understanding of Chemistry”. PAKAR Pendidikan, Vol. 22, no. 2, July 2024, pp. 36-46, doi:10.24036/pakar.v22i2.538.