Sulaiman, Syahnaz, Aznan Hasan, Fuadah Johari, and Azrul Azlan Iskandar Mirza. 2021. “Unit Trust With Waqf Feature As Sustainable Investment Conceptual Model in The Era of Post-COVID-19”. Ulum Islamiyyah 33 (S4):203-16. https://doi.org/10.33102/uij.vol33noS4.424.