Robert L. Plancke. 1973. The Comparative Education Society in Europe: Ten Years of Meetings. Paedogogica Historica, Vol. 13, No. 2, pp. 553-56.
Robert L. Plancke. 1973. The Comparative Education Society in Europe: Ten Years of Meetings. Paedogogica Historica, Vol. 13, No. 2, pp. 553-56.