BIVAINIS, Juozas; DREJERIS, Rolandas. The purposefulness reasoning of new service development. Business: Theory and Practice, [S. l.], v. 8, n. 3, p. 119–130, 2007. DOI: 10.3846/btp.2007.18. Disponível em: https://journals.vilniustech.lt/index.php/BTP/article/view/11517. Acesso em: 10 may. 2025.