Ibekwe, N. N.; Galadima, I. H.; Okoh, J. E.; Emeje, M. Application of ISO 17025 Standards in the Validation of a Spectrophotometric Method for Quality Assessment of Generic Brands of Cetirizine Tablets Marketed in Nigeria.: Https: doi.org 10.51412 Psnnjp.2023.11. PSNNJP 2023, 57, 501-511.