Microbiological assay of Human antibiotic, Reference standard , and reference strain traceability and validity. I would like the presentation include the following 1- Topic title and author titles and contact 2- Content 3- Introduction (including Antibiotic definition, Potency, scope of test, references e.g USP and BP) 4- Reference standard and reference strain 5- Techniques and methods (e.g Agar diffusion, Turbidimetric) 6- Results and Calculations (briefly and discuss Excel protection and validity) 7- Validation and verification 7- New and Future Approach I would like to add the references in the end and reference include USP, BP, WHO, and may ISO