ATRE, M. V. . MODELLING OF J-CURVE AND S-CURVE USING DIFFERENTIAL EQUATIONS: STUDIES IN ECONOMICS, ENTREPRENEURSHIP AND FINANCE. Digital Repository of Theses , [S. l.], 2022. Disponível em: https://repository.learn-portal.org/index.php/rps/article/view/72. Acesso em: 4 mar. 2026.