Rahmouni, Abdelkader, et al. “A New Strategy for Synthesis of Microspheres Amphiphilic Block Copolymer Based on Epichlorohydrin and N-Viny-2-Pyrrolidone Induced by an Ecologic Clay Catalyst Called Maghnite-H+ (Algerian MMT)”. International Journal of Scientific World, vol. 1, no. 3, Sept. 2013, pp. 61-67, https://doi.org/10.14419/ijsw.v1i3.1311.