An application of multiset to deterministic P systems with nested rule prioritization and membrane preservation. JOURNAL OF BASICS AND APPLIED SCIENCES RESEARCH, [S. l.], v. 4, n. 1, p. 170–181, 2026. DOI: 10.4314/jobasr.v4i1.19. Disponível em: https://jobasrfudutsinma.com/index.php/ojs-files/article/view/25. Acesso em: 6 mar. 2026.