Mulatsih, Sri, Adnina Hariningrum, Ignatius Purwanto, and Rizki Oktasari. 2019. “Implementing Yogyakarta Pediatric Cancer Registry for 16 Years”. Paediatrica Indonesiana 59 (4), 188-94. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2164.