Siposné Sinóros-Szabó, Laura. “Measuring Projectmanagement Efficiency by Data Envelopment Analysis”. Acta Agraria Debreceniensis, no. 63 (February 17, 2015): 121–124. Accessed November 22, 2024. https://ojs.lib.unideb.hu/actaagrar/article/view/1846.