Phongcharoenpanich, C., and M. Krairiksh. “The Discrete Array Pattern Synthesis Which Provides The Tapered Minor Lobes”. Science & Technology Asia, vol. 3, no. 2, Nov. 2015, pp. 80-87, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41985.