Solehin, S. N., Kamarudin, K. R., Badrulhisham, N. S., & Mohamed Rehan, ‘Aisyah. (2020). Production of Natural Food Colourants Using Food Grade Microbial Pigments: A New Focus in Industrial Microbiology. Journal of Sustainable Natural Resources, 1(1), 1-14. https://publisher.uthm.edu.my/ojs/index.php/jsunr/article/view/7857