“Effect of Hydrophile-Lipophile Balance (HLB) of Mixed Surfactants on In-Vitro Release Profile of Ibuprofen from Semi-Synthetic Suppository Bases”. Nigerian Journal of Pharmaceutical Research 17, no. 1 (Agustus 9, 2021): 109–117. Diakses April 5, 2026. https://ojshostng.com/index.php/njpharmaceuticalsciences/article/view/2241.