LAUMULIN, Murat. INFLUENCE OF THE SHADOW ECONOMY ON THE FINANCIAL AND ECONOMIC DEVELOPMENT OF KAZAKHSTAN. CENTRAL ASIA AND THE CAUCASUS, Delhi, India, v. 14, n. 1, p. 157–167, 2013. Disponível em: http://13.200.237.241/CAC/index.php/cac/article/view/1573.. Acesso em: 9 jan. 2025.