a| International Youth Federation for Environmental Studies and Conservation

a| Monthly Mailing : b| internal IYF newsletter between the Executive Board, the IYF Officers and Member Organisations.

a| Stremmen : b| Hans-Jacob Peters, c| 1976-.

a| Engels

a| Periodiek

a| milieubeweging e| subject. 2| z

b| AMSAB c| AMSAB j| PAD/6620

u| https://hdl.handle.net/10796/43131BCA-1C2A-4866-B328-76C641DC79F1 3| Amsab-permalink

a| tijdschrift