SEYED MEHDI NASSIRI; SURENDRA SINGH. Optimization of Energy Inputs for Wheat Cultivation in Punjab Using Data Envelopment Analysis Technique. Journal of Agricultural Engineering (India), [S. l.], v. 45, n. 3, p. 1–11, 2008. DOI: 10.52151/jae2008453.1333. Disponível em: https://pub.isae.in/index.php/jae/article/view/1355.. Acesso em: 20 may. 2024.