Nurjahirah Janudin, et al. “LOW COST AND ROOM TEMPERATURE METHANE DETECTION USING MULTI WALLED-CARBON NANOTUBES FUNCTIONALIZED WITH OCTADECANOL”. Zulfaqar Journal of Defence Science, Engineering & Technology, vol. 1, no. 2, Dec. 2018, https://zulfaqarjdset.upnm.edu.my/index.php/zjdset/article/view/7.