@book{840,
	author = {Dwivedi D N},
	title = {Manegerial Economics :},
	publisher = {Vikas Publishing House,},
	year = {©2008},
	address = {New Delhi [India] :},
	edition = {7th ed.},
	url = {https://www.google.com/search?q=managerial+economics+d+n+dwivedi+book+summary&oq=Managerial+economics+d+n+dwivedi+book+summ&aqs=chrome.1.69i57j33i160l2.22373j0j15&sourceid=chrome&ie=UTF-8}
}