WORAPOJ KREESURADAJ; PANWIT TUWANUT. The development of a frequency-spectrum usage integrated database system obtaining from frequency monitoring equipments. Journal of Digital Communications, Bangkok, Thailand, v. 4, n. 1, p. 198–212, 2020. Disponível em: https://so04.tci-thaijo.org/index.php/NBTC_Journal/article/view/211851. Acesso em: 1 sep. 2026.