@book{8148,
	author = {Polunin, Nicholas},
	title = {Plant science monographs /},
	publisher = {J. Wiley & Sons, Inc. ;},
	year = {c1966.},
	address = {New Delhi :},
	url = {https://books.google.com.bd/books?id=MxYFDkJyZhIC&dq=Phytopathological+and+botanical+research+methods&hl=en&sa=X&ei=6y2qVIS-LI2zuAS3-4IY&redir_esc=y}
}