Hazril Hisham Hussin, et al. “ELECTRICAL PROPERTY CHANGES OF GNP HYBRID CONDUCTIVE INKS UNDER TORSIONAL LOADING ON FLEXIBLE COPPER SUBSTRATES”. Jurnal Kejuruteraan, Teknologi and Sains Sosial (JKTSS), vol. 12, no. 1, Jan. 2026, pp. 325-3, https://jktss.puo.edu.my/jurnalpuo/index.php/jurnal/article/view/338.