Abd Malek, Norhazwani, Siti Zulaika Osman, Nurhusna Mohamad Ehsan, Nurzanariah Roslan, and Mohd Fakhri Rosli. “Design and Development of Mini Portable Cooler for Breastmilk Storage”. International Journal of Engineering and Technology 7, no. 4.35 (November 30, 2018): 569–572. Accessed May 12, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/22912.