Development of a Double-Walled Portable Self-Heating Drinking Tumbler for Military Personnel in Cold Environments. International Journal of Research in Pharmaceutical Sciences and Technology, [S. l.], v. 9, n. 3, 2026. DOI: 10.33974/mz9r7824. Disponível em: http://rubatosisjournals.com/index.php/ijrpst/article/view/542. Acesso em: 10 aug. 2026.