标题：B-P6 Study on a Usability of a Vending Machine : On Take Out Pocket and Coin Return Bucket (Proceedings of the 40th Meeting of Japan Society of Physiological Anthropology)
其他标题：B-P6 Study on a Usability of a Vending Machine : On Take Out Pocket and Coin Return Bucket (Proceedings of the 40th Meeting of Japan Society of Physiological Anthropology)
