@book{46588,
	author = {Bhattacharya, Debesh,},
	title = {The role of technological progress in Indian economic development /},
	publisher = {World Press,},
	year = {1972.},
	address = {Calcutta :},
	note = {"The main part of the work was submitted for the degree of Ph.D. at the University of Manchester, United Kingdom."}
}