Hussein, Bashar Dheyaa, and Ghanim Sh. Sadiq. “Utilizing Sustainable Recycled Thermoplastic Polymers in 3D Printing Filament”. Al-Nahrain Journal for Engineering Sciences, vol. 28, no. 3, Sept. 2025, pp. 442-50, https://doi.org/10.29194/NJES.28030442.