Le, Doai Van, Phuong Thi Minh Le, Anh Tuan Nguyen, Son Hoai Doan, Khoa Xuan Dinh, Sau Ngoc Vu, and Bang Huy Nguyen. “A Comparative Study of Optical Bistability in Three-Level EIT Configurations”. Communications in Physics 28, no. 2 (July 17, 2018): 127. Accessed April 26, 2024. https://vjs.ac.vn/index.php/cip/article/view/12541.