Mohammed AK, Dikran SB, Alubydi MAS. Univariate and Simplex Optimization for The Analysis of Diphenhydramine-HCl Through Ion-pair Formation. IHJPAS [Internet]. 2016 Dec. 29 [cited 2025 Jun. 24];24(1). Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/864