Ghosh, Sudipa, Quek Jee Teck, MS Uddin, and K Hidajat. 2014. “Surface Functionalized Magnetic Nanoparticles for Separation of Beta-Blocker Propranolol from Aqueous Solution”. Journal of Chemical Engineering 28 (1):14-21. https://doi.org/10.3329/jce.v28i1.18104.