Ratih, I., -, T., Heririaningrum, S., & Pertiwi, R. (2020). ZAKAT OPTIMIZING STRATEGY THROUGH VOLUNTEERISM. An-Nisbah: Jurnal Ekonomi Syariah, 7(1), 46 - 73. https://doi.org/10.21274/an.2020.7.1.46 - 73