Kiatpachai, Parinya, Arsit Boonyaprapasorn, Wanachart Borisut, Anotahi Suksangpanomrung, and Weerapun Duangthongsuk. “The Structure Design of Backpacks for Energy Harvesting”. SAU JOURNAL OF SCIENCE & TECHNOLOGY 7, no. 2 (September 9, 2021): 1–14. Accessed April 26, 2024. https://ph01.tci-thaijo.org/index.php/saujournalst/article/view/244645.