NANDAKUMAR, T.; CHOUHAN, Sandeep. Empirical Estimation of Technical and Scale Efficiency in Indian City Gas Distribution (CGD) Entities Using DEA. Arthshastra Indian Journal of Economics & Research, [S. l.], v. 5, n. 2, p. 16–27, 2016. DOI: 10.17010/aijer/2016/v5i2/92788. Disponível em: https://indianjournalofeconomicsandresearch.com/index.php/aijer/article/view/92788. Acesso em: 5 dec. 2025.