Nguyen Thi Kim Dung; Nguyen Van Ngo; Do Thanh Trung; Hoang Anh Dung; Ngo Thi Nguyen; Ta Van Thinh. Study on the Formulation of Additives to Improve Elasticity, Tensile Strength, and Crack Propagation Resistance of the Cement Sheath in Oil and Gas Well Cementing . PVJ 2025, 1, 38-48.