Tahir Umar FTU, Abubakar Lawal. REVIEW OF RECENT SAMPLE PREPARATION METHODS FOR THE ANALYSIS OF AZO DYES IN FOODS AND DRINKS: A COMPARISON OF SOLID-PHASE EXTRACTION AND QuEChERS. FJS. 2025;9(12):81-90. doi:10.33003/fjs-2025-0912-4106