Rahmat, D., I. Mangunatmadja, B. Tridjaja, T. Tambunan, and R. Suradi. “Prevalence and Risk Factors for Epilepsy in Children With Spastic Cerebral Palsy”. Paediatrica Indonesiana, Vol. 50, no. 1, Mar. 2010, pp. 11-7, doi:10.14238/pi50.1.2010.11-7.