Jinap, S., P. Hajeb, R. Karim, S. Norliana, S. Yibadatihan, and R. Abdul-Kadir. “Reduction of Sodium Content in Spicy Soups Using Monosodium Glutamate”. Food & Nutrition Research, vol. 60, June 2016, doi:10.3402/fnr.v60.30463.