Kemastha, A., Syarifah, and K. D. Saraswati. “Packed Red Cell (PRC) Blood Needs on Thalasemia Patients at Hospital. Moewardi in October-December 2021”. International Journal of Seocology, vol. 4, no. 02, Feb. 2023, pp. 069-73, https://seocologi.com/index.php/seocology/article/view/92.