Sulistyani, Iwan Setiawan, Titian Rakhma, and Burhannudin Ichsan. 2021. “Characteristic Cerebral Venous Thrombosis (CVT) in COVID-19: A Systematic Review”. Ulum Islamiyyah 33 (2):140-48. https://doi.org/10.33102/uij.vol33no1.298.