TY - JOUR AU - Shobeiri, Seyyedeh Nasim AU - Rostamy- Malkhalifeh, Mohsen AU - Nikoomaram, Hashem AU - Miri Lavasani, Mohammadreza TI - Evaluating and classifying the insurers risk in the insurance industry using data envelopment analysis JO - Journal of New Researches in Mathematics VL - 7 IS - 6 SP - 5 EP - 32 PY - 2022 DO - ER -