L. , M. I. A.; L. , F. A. M. A. kurtany; L. , A. R. A. A. msoodi. Evaluating the Productivity of the National General Insurance Company by Using the Production Function - Douglas Cup For the Period from 2009 – 2019. Psychosocial rehabilitation 2020, 24 (3), 7140-7160. https://doi.org/10.61841/swrp8879.