Maslami, V. et al. 2018. Optimization of Glutamate Production from Lactobacillus plantarum Originating from Minangkabau Fermented Food as a Feed Supplement for Broiler. Pakistan Journal of Nutrition. 17, 7 (Jun. 2018), 336–343. DOI:https://doi.org/10.3923/pjn.2018.336.343.