PRANULIS, Vytautas. The Problems of Term, Definition and Concept of Marketing. Ekonomika, [S. l.], v. 44, p. 83–92, 1998. DOI: 10.15388/Ekon.1998.16459. Disponível em: https://www.zurnalai.vu.lt/ekonomika/article/view/16459. Acesso em: 20 apr. 2025.