Recent Advances in Economics: A Book of Readings. Edited by Rendings Fels and John J. Siegfried. (Homewood, Illinois: Richard D. Irwin, 1974). PDR [Internet]. 1976 Sep. 1 [cited 2025 Oct. 26];15(3):pp.338-341. Available from: https://thepdr.pk/index.php/pdr/article/view/428