Wongsan, R., Khamsalee, P., Wannakomol, A., Kumsawat, P., Srikaew, A. and Jantaupalee, A. (2022) “A Study on Radio Wave Propagation in Chiang Dao Cave”, Journal of Digital Communications. Bangkok, Thailand, 6(6), pp. 123–147. Available at: https://so04.tci-thaijo.org/index.php/NBTC_Journal/article/view/256861 (Accessed: 20 May 2024).