Kareem, Rabiha S., and Ahmed M. Abdulhadi. 2020. “Influences of Heat Transfer in Peristaltic Transport of Two-Layer Model”. Journal of Al-Qadisiyah for Computer Science and Mathematics 12 (2):Math Page 19 – 29. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/689.