BIVAINIS, Juozas; DAUKŠEVIČIŪTĖ, Irena. Analysis of methodological presumptions for optimisation of marketing programmes. Business: Theory and Practice, [S. l.], v. 14, n. 2, p. 103–116, 2013. DOI: 10.3846/btp.2013.12. Disponível em: https://journals.vilniustech.lt/index.php/BTP/article/view/8511. Acesso em: 10 may. 2025.