Singh, Rakesh P., and M. Muthuraj. “A Test for Relative Efficiency of Farmers Cultivating Groundnut in Tamil Nadu: A Profit Function Approach”. Arthshastra Indian Journal of Economics & Research 2, no. 1 (February 1, 2013): 16–21. Accessed November 4, 2025. https://indianjournalofmanagement.com/index.php/aijer/article/view/54500.