SHIVANKAR, V. M. EFFECT OF SM­400 ACTIVATED CLAY ON THE CHEMICAL PROPERTIES OF USED TRANSFORMER OIL. International Journal of Chemistry Research, [S. l.], v. 2, n. 2, p. 30–31, 2011. Disponível em: https://ijcr.info/index.php/journal/article/view/31. Acesso em: 27 apr. 2025.