Survey on some educational experiments of particular interest in the search for solutions to the problems associated with the use of drugs in Austria /
Hovorka, Hans
Survey on some educational experiments of particular interest in the search for solutions to the problems associated with the use of drugs in Austria / Hans Hovorka. - Paris : UNESCO, 1983. - 27 p.
37:178.8 (436) =20 HOV.
Survey on some educational experiments of particular interest in the search for solutions to the problems associated with the use of drugs in Austria / Hans Hovorka. - Paris : UNESCO, 1983. - 27 p.
37:178.8 (436) =20 HOV.