Admodisastro, Novia Indriaty, and Sellappan Palaniappan. “A Code Generator Tool for the Gamma Design Patterns”. Malaysian Journal of Computer Science 15, no. 2 (December 1, 2002): 94–101. Accessed December 23, 2024. http://jice.um.edu.my/index.php/MJCS/article/view/6108.