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＜仙台東西線＞駅サービス ＡＬＳＯＫ委託 [Sendai Tozai Line station services to be sub-contracted to Alsok]. Kahoku Shimpo Online News (in Japanese). Japan: Kahoku Shimpo Publishing Co. 2 December 2015. Archived from the original on 7 December 2015. Retrieved 7 December 2015.
