Abu Hajleh, M., M. Alzweiri, Y. Bustanji, and E. Al-Dujaili. “Biodegradable Poly (lactic-Co-Glycolic Acid) Microparticles Controlled Delivery System: A Review”. Jordan Journal of Pharmaceutical Sciences, vol. 13, no. 3, Sept. 2020, https://archives.ju.edu.jo/index.php/jjps/article/view/104374.