@book{10181,
	author = {Babu Ram},
	title = {Engineering Mathematics - I : For PTU},
	publisher = {Pearson},
	year = {2011},
	address = {New Delhi},
	edition = {1st},
	url = {https://ebookcentral.proquest.com/lib/gzsptuc/detail.action?docID=5125282&query=Engineering+Mathematics+-+I}
}