Araw E. Ahmed, Khalida M. Omar. Spectrophotometric Estimation of Sulfasalazine Via Oxidative Coupling Reaction Using 8-amino -2-naphthlene sulfonic acid and Potassium Periodate . AJAPAS [Internet]. 2023 Jul. 28 [cited 2024 Dec. 22];2(3):127-39. Available from: https://aaasjournals.com/index.php/ajapas/article/view/450