Widat, Faizatul, et al. “Strategies to Improve Critical Thinking Skills for Children Through the Beyond Center and Circle Time (BCCT) Method”. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, vol. 7, no. 4, Sept. 2023, pp. 5072-83, doi:10.31004/obsesi.v7i4.4206.