Leonardo José España-Barraza, Efraín Javier De-la-Hoz-Granadillo, Katia Ninozca Flores-Ledesma 2026. Ultracongelation and IoT to Improve Energy Efficiency and Working Conditions in the Cold Chain of a Food MSME: A Mixed-Methods Study with a Gender Perspective. International Journal of Special Education. 41, 6s (Jun. 2026), 98–108.