MASANAUSKAS, Jūratė. Product Planning and New Product Development. Ekonomika, [S. l.], v. 40, p. 84–94, 1996. DOI: 10.15388/Ekon.1996.16369. Disponível em: https://www.journals.vu.lt/ekonomika/article/view/16369.. Acesso em: 5 may. 2024.