Pangestuti, R., H. Agustiani, S. Cahyadi, and A. L. Kadiyono. “Indonesian Children‘s Readiness for Elementary School: A Preliminary Study to the Holistic Approach to School Readiness”. Pedagogika, vol. 132, no. 4, Dec. 2018, pp. 99-114, doi:10.15823/p.2018.132.6.