L, J. Preface - 8. Bulletin of the Institute of Chemistry and Chemical Technology, [S. l.], n. 8, p. ii, 2020. DOI: 10.5564/bicct.v0i8.1482. Disponível em: https://www.mongoliajol.info/index.php/BICCT/article/view/1482. Acesso em: 6 dec. 2021.