Rahayu, T., and W. Putra. “Development of Bekel Ball Game to Improve Cognitiveness Children Aged 5-6 Years in Kec. Way Seputih Central Lampung”. Journal of Childhood Development, vol. 2, no. 1, Mar. 2022, pp. 37-49, doi:10.25217/jcd.v2i1.2463.