@book{3876,
	author = {Ranaweera, A. M. and International Bureau of Education.},
	title = {Integrated science in the junior secondary school in Sri Lanka /},
	publisher = {Unesco Press,},
	year = {1976.},
	series = {Experiments and innovations in education ;},
	address = {Paris :},
	note = {At head of title: An International Bureau of Education series.}
}