Home › Authors › Erkki Koskela 👤 Erkki Koskela 3 books Books by Erkki Koskela The Role of Profit Sharing i The Role of Profit Sharing in Dual Labour Markets with Flexible Outsourcing 2011 The depression of the 1990s in The depression of the 1990s in Finland 1994 Non-inflamed appendix removed Non-inflamed appendix removed with symptoms of acute appendicitis 1970