BAICU, Corneliu Sorin, and Cristian Valentin HAPENCIUC. “MODEL OF CHOICES, INSTITUTIONS AND DIRECT DEMOCRACY QUASI-ECONOMIC FACTORS OF THE INFLUENCE OF UNDERGROUND ECONOMY”. Ecoforum Journal 5, no. 2 (July 10, 2016). Accessed January 15, 2026. https://ecoforumjournal.ro/index.php/eco/article/view/2650.