A. Lami, R., A. Sak, T., & A. Abbood2 , H. (2023). Facile Preparation of Poly (citric acid -co- ethylene glycol) and Poly (Tartaric acid -co- Glycerol) as a Retarder for Oil Well Cement. Basrah Researches Sciences, 49(2), 8–21. https://doi.org/10.56714/bjrs.49.2.2