“Electrical Dielectric Authorship of Polyvinyl-Acetate and Toluene Diisocyanate (PVA-TDI) with Manufactured Sulfonated Phenol-formaldehyde (SPF) Viscous Mass Material Composite”, Baghdad Sci.J, vol. 14, no. 2, p. 0418, Jun. 2017, doi: 10.21123/bsj.2017.14.2.0418.