Hennies, Manfred O.E. “Mein Freund Und Kollege Professor Dr. Matti Raudjärv”. Estonian Discussions on Economic Policy 27, no. 1-2 (September 5, 2019): 53-54. Accessed November 24, 2020. https://ojs.utlib.ee/index.php/TPEP/article/view/15450.