Uma Maheshwar Reddy, K., K. Santosh Kumar, and A. Panasa Reddy. “Amino Acid Promoted Ullmann Type Reaction With Low Catalyst Loading via Microwave Technology”. Asian Journal of Chemistry 26, no. 15 (July 16, 2014): 4747–4751. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/26_16_45.