Feuser, P. E., & de Souza, M. N. (2014). Synthesis and characterization of Supeparamagnetics Microspheres (pmma) via suspension polymerization. Semina: Ciências Exatas E Tecnológicas, 35(1), 3–8. https://doi.org/10.5433/1679-0375.2014v35n1p3