@incollection{2021:tavits:chapter_11, title = {Chapter 11 New Forms of Employment and Innovative Ways for the Collection of Social Security Contributions: The Example of Estonia}, year = {2021}, note = {}, booktitle = {Social Law 4.0}, pages = {281--306}, edition = {1}, author = {Tavits, Gaabriel}, publisher = {Nomos}, address = {Baden-Baden}, series = {Studien aus dem Max-Planck-Institut für Sozialrecht und Sozialpolitik}, volume = {74} }