Mulatsih, Sri, Adnina Hariningrum, Ignatius Purwanto, and Rizki Oktasari. “Implementing Yogyakarta Pediatric Cancer Registry for 16 Years”. Paediatrica Indonesiana 59, no. 4 (July 17, 2019): 188-94. Accessed October 16, 2019. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2164.