@book{2020,
	author = {Arambewela,Lakshmi and Warnasuriya Dilmini Ed.},
	title = {Sri Lankan Medicinal Plant monograph and Analysis:Piper Betle Vol .9},
	publisher = {National cience Foundation},
	year = {2006},
	series = {Monograph Vol:9},
	address = {Colombo}
}