@book{12980,
	author = {Joarder, A K. and Tarantola, D.},
	title = {The eradication of smallpox from Bangladesh /},
	publisher = {World Health Organization, South-East Asia Regional Office,},
	year = {1980.},
	series = {WHO regional publications.,South-East Asia series ;no. 8. },
	address = {New Delhi :}
}