Shamsuddin, Aida Soraya, sharifah Norkhadijah Syed ismail, Shaharuddin Mohd. Sham, and Emilia Zainal Abidin. “Nitrate in Groundwater and Excretion of Nitrate and Nitrosamines in Urine: A Review”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 15, no. 2 (October 20, 2014): 176–191. Accessed November 2, 2025. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/2946.