Ekoanindiyo FA, Yohanes A, Prihastono E. Development of a Portable Cool Box to Increase Milk Distribution Capacity. JSE [Internet]. 2023 Dec. 29 [cited 2025 Nov. 29];9(1):7955-61. Available from: https://jurnal.serambimekkah.ac.id/index.php/jse/article/view/806