KUMARESAN RAJENDRAN. Optimizing Marketing of Industrial Water Treatment and Chemicals through Personal Selling: An Empirical Study. European Economic Letters (EEL), [S. l.], v. 16, n. 1, p. 1846–1853, 2026. Disponível em: https://eelet.org.uk/index.php/journal/article/view/4332. Acesso em: 27 mar. 2026.