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Analysis of technical, pure technical and scale efficiencies of Pakistan railways using data envelopment analysis and tobit regression model
Alam, Khalid Mehmood; Xuemei, Li; Baig, Saranjam; Yadong, Li - In: Networks and spatial economics : a journal of … 20 (2020) 4, pp. 989-1014
Persistent link: https://www.econbiz.de/10012417760