Statistical Treatments and Comparison between Normal Calibration and Ultimate Precision Methods in Spectrophotometric Determination of Aspirin in APC Tablets. AJPS [Internet]. 2005 Jun. 1 [cited 2025 Apr. 20];2(1):81-5. Available from: https://ajps.uomustansiriyah.edu.iq/index.php/AJPS/article/view/425