ZAYED, Mohammad. "Measuring Underwriting Efficiency in Saudi Insurance Companies Using Two-Stage DEA". The Arab Journal of Administration, Cairo, v. 42, n. 1, p. 237–254, 2022. DOI: 10.21608/aja.2022.223158. Disponível em: https://ajajournal.org/aja/article/view/67. Acesso em: 28 dec. 2025.