PENG , X. TRACING THE ORIGIN AND THEORETICAL EXPLORATION OF SERVICE ECONOMICS. Economics and Innovative Technologies, [S. l.], v. 10, n. 3, p. 355–370, 2022. DOI: 10.55439/EIT/vol10_iss3/a37. Disponível em: https://iqtisodiyot.tsue.uz/journal/index.php/iit/article/view/38. Acesso em: 22 июл. 2024.