Yu, N. C. ., Son Guk Pak, Hyong Su Yu, Chol Min Jong, and Jin Sim Kim. “Low-Cost Flexible Temperature Sensor Based on Printed Circuit Board Technology”. Journal of Power Electronics and Devices, vol. 9, no. 1, Feb. 2023, pp. 1-5, http://matjournals.co.in/index.php/JOPED/article/view/1635.