Amarov, Boyko; Netov, Nikolay / 87 Economic and Social Development, International Scientific Conference on Economic and Social Development 270 (2022) / Economic and Social Development, International Scientific Conference on Economic and Social Development, Vol. 87, pp. 270-278
Amarov, Boyko; Netov, Nikolay / 87 Economic and Social Development, International Scientific Conference on Economic and Social Development 201 (2022) / Economic and Social Development, International Scientific Conference on Economic and Social Development, Vol. 87, pp. 201-209