(1)
Yohandri, .-.; Zulpadrianto, .-.; Putra, A.; Sanjaya, H.; Sri Sumantyo, J. T. A Low-Cost Radar Absorber Based on Palm Shell Active Carbon for Anechoic Chamber. Int. J. Adv. Sci. Eng. Inf. Technol. 2019, 9, 1976-1981.