“Effect of Functionalised and Non-Functionalised Carbon Nanotubes-Urea Fertilizer on the Growth of Paddy”. Tropical Life Sciences Research 29, no. 1 (March 2, 2018): 17–35. Accessed December 23, 2024. https://ejournal.usm.my/tlsr/article/view/tlsr_vol29-no-1-2018_2.