“Implementasi Model Beyond Center and Circle Time (BCCT) Dalam Pembelajaran Berhitung Permulaan Di PAUD Terpadu Biruni Sungailiat Kabupaten Bangka”. Jurnal Sustainable, vol. 4, no. 2, Dec. 2021, pp. 91-100, https://doi.org/10.32923/kjmp.v4i2.2193.