ZHURAVEL, Y. V. PRINCIPLES OF ECONOMIC EVALUATION OF MARKETING PROGRAMS. Science and Transport Progress , [S. l.], n. 18, p. 195–198, 2007. DOI: 10.15802/stp2007/17496. Disponível em: https://stp.ust.edu.ua/article/view/17496. Acesso em: 3 may. 2024.