KAZEMZADEH, A.; MOZTARZADEH, F. Development of Low Cost Optical pH Sensor. Asian Journal of Chemistry, [S. l.], v. 18, n. 1, p. 325–330, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/21299. Acesso em: 5 nov. 2024.