@book{4429,
	author = {Schaefer, Gerhard.},
	title = {Health education through biology teaching :},
	publisher = {Institute for Science and Mathematics Education Development, University of the Philippines, in collaboration with the Commission for Biological Education, International Union of Biological Sciences,},
	year = {c[1985].},
	address = {Diliman, Quezon City :},
	note = {"June 1985"--T.p. verso.}
}