EDITOR. Preface. Proceedings Series on Physical & Formal Sciences, [S. l.], v. 1, p. i-viii, 2021. DOI: 10.30595/pspfs.v1i.158. Disponível em: https://conferenceproceedings.ump.ac.id/pspfs/article/view/158. Acesso em: 21 nov. 2024.