Jaidev, Mr., G. Ravi 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 July 6, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/4325.