SHAREW, Ashagrie; FENTIE, Gizachew. Data Envelopment Analysis on Efficiency of Insurance Companies in Ethiopia. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 48, n. 1, p. 138–170, 2018. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/4448. Acesso em: 22 sep. 2025.