Singh, D. R., A. K. Vasisht, and Shiv Kumar. “Profitability and Technical Efficiency of Aquaculture in Punjab, India”. Indian Journal of Fisheries 62, no. 2 (June 29, 2015). Accessed June 17, 2026. https://epubs.icar.org.in/index.php/IJF/article/view/36066.