Quoc Danh, Luong Vinh, et al. “Design of a Dual-Polarized Microstrip Patch Antenna With V-Shaped Slot for 2.4 GHz WLAN Applications”. Vietnam Journal of Science and Technology, vol. 52, no. 5, Oct. 2014, pp. 529-3, doi:10.15625/0866-708X/52/5/3493.