Radhakrishnamacharya, G., and V. Radhakrishna Murty. “Heat Transfer to Peristaltic in a Non Uniform Channel ”. Defence Science Journal 43, no. 3 (January 1, 2013): 275–280. Accessed August 18, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/4286.