Mahamad Maifiah, Mohd Hafidz, Muhammad Shirwan Abdullah Sani, and Nusaibah Abd Rahim. 2019. “Revisiting an ‘old’ Antibiotic Class Polymyxins by Drug Combination Therapy Targeting Gram-Negative Superbugs: Toyyiban Perspective”. Journal of Halal Industry & Services 2 (1). https://hh-publisher.com/ojs321/index.php/JHIS/article/view/91.