Prabhu, V. V., and K. S. Theagarajan. “A Modified Volumetric Method for the Estimation of Oxalic Acid in <I>Terminalia< I> Barks”. Indian Forester 113, no. 2 (February 1, 1987): 144–146. Accessed July 10, 2025. https://indianforester.co.in/index.php/indianforester/article/view/9343.