1.
Hamonangan M FRHM, Yudistira HTY, Qalbina F, Saputro • Adhitya G, Faisal A. Using hand painting in the fabrication of a negative refractive index metamaterial based on circular shape with paper as the dielectric. greensusmater [Internet]. 2024 Dec. 16 [cited 2025 Feb. 23];1(1). Available from: https://greensusmater.com/index.php/gsm/article/view/3