Evaluation of sightseeing application using BLE beacon in Oku-Nikko. - Haruto Kawakami; Yosei Sato; Haruka Nakayama; Yuko Hiramatsu; Madoka Hasegawa; Hiromu Niitsuma; Kazutaka Ueda; Yasunari Harada; Akira Sasaki; Atsushi Ito (CANDARW, 2022)