Kumar , S., S. Kebamo, B. Paulos, and V. Kumar. “Formulation, Development and Evaluation of Colon-Specific Ketorolac Tromethamine Compression Coated Tablets”. Journal of Science, Technology and Arts Research, vol. 4, no. 3, Sept. 2015, pp. 150-4, https://journals.wgu.edu.et/index.php/star/article/view/259.