Jaidev, Mr., G. Prakash, and N. Parameswaran. “Implementing Backtrack in Production System: A TMS Based Approach .”. Defence Science Journal 43, no. 2 (January 1, 2013): 151-158. Accessed April 25, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/4325.