Mustafa Abusniena, Ashraf, et al. “5-Aminosalicylic Acid As a Spectrophotometric Reagent for The Determination of The Drug Terbutaline Sulfate”. Al-Kimia, vol. 13, no. 2, Dec. 2025, https://journal.uin-alauddin.ac.id/index.php/al-kimia/article/view/62620.