Selvakennedy, S., A. K. Ramani, V. Prakash, and M. Y. M. Saman. “Design of Simulation System For Performance Predictions of WDM Single-Hop Networks”. Malaysian Journal of Computer Science, vol. 11, no. 2, Dec. 1998, pp. 32-39, http://borneojournal.um.edu.my/index.php/MJCS/article/view/5733.