SETIATI, R.; SIREGAR, H. P. S.; MARHAENDRAJANA, T.; WAHYUNINGRUM, D. Infra Red Evaluation of Sodium Lignosulfonate Surfactant (SLS). The International Journal of Science & Technoledge, [S. l.], v. 5, n. 3, 2017. Disponível em: http://internationaljournalcorner.com/index.php/theijst/article/view/123451. Acesso em: 7 jul. 2024.