ANATOLIY N. LEVUSHKIN, INNA V. ZAIKINA, MARIIA A. BULAVINA, GRIGORY A. KOZLITIN, VITALIY V. ZAIKIN. AGREEMENT-BASED REGULATION OF FEE-BASED SERVICES: THEORETICAL AND PRACTICAL APPLICATION. PalArch’s Journal of Archaeology of Egypt / Egyptology, [S. l.], v. 17, n. 6, p. 6964–6973, 2020. Disponível em: https://www.archives.palarch.nl/index.php/jae/article/view/1973. Acesso em: 4 nov. 2025.