“Facile Preparation of Poly (citric acid -co- ethylene glycol) and Poly (Tartaric acid -co- Glycerol) as a Retarder for Oil Well Cement”, J. Basrah Res. (Sci.), vol. 49, no. 2, pp. 8–21, Dec. 2023, doi: 10.56714/bjrs.49.2.2.