C. Karunia, E. B. Prihastari, and M. Mustofa, “Analysis of the Implementation of the TPACK-Based Problem-Based Learning Model on Students’ Critical Thinking Skills in Flat Shape Material in Grade 2 of SD Negeri Laweyan Surakarta”, edumaspul, vol. 9, no. 2, pp. 904-907, Oct. 2025.