Van Trong, D., 		Tran Bao Tran, L., 		Van Lanh, C., 		Thi Hong Phuong, N., 		Trang, N., 		Trong Duc, H., & 		Thi Thuy, N.
(2022).
 Study on Optical Features of Circular Photonic  Crystal Fibers with Various Air-hole Size.
<em>VNU Journal Of Science: Mathematics - Physics, 38</em>(4).
doi:10.25073/2588-1124/vnumap.4728