Karanth, Krishna, and P. Vishwanatha. “A Mild and Efficient Method for Synthesis of Benzimidazoles Using Thallium Nitrate or Lanthanum Nitrate Catalysts”. International Journal of Scientific Research in Chemical Sciences 8, no. 4 (August 31, 2021): 1–4. Accessed July 2, 2025. http://ijsrcs.isroset.org/index.php/j/article/view/97.