Rianmora, S., and S. Seng. “‘Keep It Cool’ Smart Bag by Internet of Thing (IoT) for Better Living With Alternative Design”. INTERNATIONAL SCIENTIFIC JOURNAL OF ENGINEERING AND TECHNOLOGY (ISJET), vol. 5, no. 2, Dec. 2021, pp. 38-54, https://ph02.tci-thaijo.org/index.php/isjet/article/view/241807.