AN EXPERIMENTAL INVESTIGATION FOR THE SYNTHESIS OF OXALIC ACID BY NITRIC ACID OXIDATION OF DATES FRUIT AND SYRUP. jcoeng [Internet]. 2003 Mar. 1 [cited 2025 Apr. 19];9(01):71-6. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/2384