Kumar S, Ram B. The shelf life study of 0.1 M Sodium hydroxide volumetric solution at different condition for analytical purpose in Laboratory. J. Drug Delivery Ther. [Internet]. 2019 Oct. 23 [cited 2025 Mar. 26];9(4-s):957-60. Available from: https://jddtonline.info/index.php/jddt/article/view/3139