Pham Ngoc Thang, and Bui Thi Kim Thoa. 2023. “ERROR REDUCTION IN MEASUREMENT DEVICE OF SUBTRACTION OF TWO NON-ELECTRIC QUANTITIES BY STRUCTURE OF TWO TIMES INTERGAL METHOD”. UTEHY Journal of Applied Science and Technology 37 (March), 73-78. http://jst.utehy.edu.vn/index.php/jst/article/view/590.