1. [1]Y. K. Alagh "Surplus Flows in a Dual Economy," unpublished Ph.D. Dissertation, University of Pennsylvania, 1967 .
2. [2]Y. K. Alagh, and S. P. Kashyap . "Structure of Gujarat's Industrial Economy-Some Experiments with the Input-Output Approach ," Conference Papers of the First Gujarat Economic Conference, Ahmedabad, 1970 , to be published.