JUMANIYAZOV ISKANDAR BAKHODIROVICH. CONCEPT OF COSTS AND APPROACHES TO THEIR CLASSIFICATION. INTERNATIONAL JOURNAL OF SOCIAL SCIENCE & INTERDISCIPLINARY RESEARCH ISSN: 2277-3630 Impact factor: 8.036, [S. l.], v. 14, n. 05, p. 68–75, 2025. Disponível em: https://www.gejournal.net/index.php/IJSSIR/article/view/2623. Acesso em: 16 aug. 2025.