@book{8728,
	author = {Basavanthappa, B. T.},
	title = { Nursing research},
	publisher = {Jaypee Brothers,},
	year = {1998.},
	address = {New Delhi : },
	url = {https://books.google.com.pk/books?id=eVxeAAAACAAJ&dq=8171795986&hl=en&sa=X&redir_esc=y}
}