Novitasari, N., Isnurhadi, I., Isni, I. and Widiyanti, M. 2021. Efficiency analysis of sharia bank in Indonesia based on data envelopment analysis (DEA). International journal of social sciences. 4, 2 (Jul. 2021), 235-240. DOI:https://doi.org/10.31295/ijss.v4n2.1708.