AN EXPERIMENTAL INVESTIGATION FOR THE SYNTHESIS OF OXALIC ACID BY NITRIC ACID OXIDATION OF DATES FRUIT AND SYRUP. Journal of Engineering, [S. l.], v. 9, n. 01, p. 71–76, 2003. DOI: 10.31026/j.eng.2003.01.07. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/2384.. Acesso em: 3 jul. 2024.