20220205163600.0 Takenaka Daiku Dōgukan kenkyū kiyō. 0915-3683 0915-3683 Takenaka Daiku Dōgukan kenkyū kiyō. 0915-3683 Takenaka Daiku Dōgukan kenkyū kiyō 0915-3683 Takenaka Daiku Dōgukan kenkyū kiyō 0915-3683 Japan