Home › Authors › Mark Spiegel 👤 Mark Spiegel 3 books Books by Mark Spiegel Coaching 4v4, 7v7 and 9v9 Smal Coaching 4v4, 7v7 and 9v9 Small Sided Soccer - Volume 1 2015 Monetary and financial integra Monetary and financial integration 2004 Threshold effects in internati Threshold effects in international lending 1990