Al-Mayyahi, B. et al. 2016. Synthesis, characterization and thermal properties of the nano four arms poly(pentaerythritollactide-b-N,N-dimethylaminoethyl methacrylate) derivatives. European Journal of Chemistry. 7, 4 (Dec. 2016), 405–409. DOI:https://doi.org/10.5155/eurjchem.7.4.405-409.1480.