Bathula, Surendra Bose, Mukkanti Khagga, and Hariharakrishnan Venkatasubramanian. “Chitosan-SO3H: A Green Approach to 2-Aryl Heteroaryl Benzothiazoles under Solvent-Free Conditions at Room Temperature”. Asian Journal of Chemistry 30, no. 7 (May 31, 2018): 1512–1516. Accessed July 3, 2024. https://asianpubs.org/index.php/ajchem/article/view/30_7_20.