Sutandyo, Noorwati, Sri Agustini Kurniawati, Nia Novianti Siregar, and Nina Kemala Sari. 2020. “Three Years Survival of Elderly Cancer Patients in Indonesia: Do We Need a Different Approach?”. Acta Medica Indonesiana 52 (1):39. https://www.actamedindones.org/index.php/ijim/article/view/1150.