Economic Theory and Practice in the Asian Setting, Volume 3: The Economics of Agriculture. Edited by Committee on Economics Teaching Material for Asian Universities. New Dehli: Wiley Eastern Limited. PDR [Internet]. 1977 Mar. 1 [cited 2025 Oct. 26];16(1):pp.115-117. Available from: https://thepdr.pk/index.php/pdr/article/view/444