KALOTRA, Anil. MARKETING STRATEGIES OF DIFFERENT PHARMACEUTICAL COMPANIES. Journal of Drug Delivery and Therapeutics, India, v. 4, n. 2, p. 64–71, 2014. DOI: 10.22270/jddt.v4i2.771. Disponível em: https://jddtonline.info/index.php/jddt/article/view/771. Acesso em: 21 jan. 2026.