Improvement Of the Process of Softening and Purification of Technical Water from Mechanical Mixtures. Journal of Pedagogical Inventions and Practices, [S. l.], v. 3, p. 145–148, 2021. Disponível em: https://mail.zienjournals.com/index.php/jpip/article/view/495. Acesso em: 25 oct. 2025.