PILLAI N, Vijayamohanan; NARAYANAN, AM. Measuring Energy Efficiency in Kerala: Data Envelopment Analysis. British Journal of Healthcare and Medical Research, [S. l.], v. 6, n. 4, p. 16–28, 2019. DOI: 10.14738/bjhmr.64.7629. Disponível em: https://journals.scholarpublishing.org/index.php/BJHR/article/view/7629. Acesso em: 22 apr. 2026.