Waseda University School of Commerce 2021 edition, a special problem collection containing problems from the past six years. - Title: Waseda University School of Commerce 2021 - Series Name: University Entrance Exam Series 423 - Publisher: Kyogakusha - Target Years: Recent 6 years - Special Problem Collection: Separate volume of problem solutions Thank you for viewing. There are no markings, but the corners are slightly bent. It does not hinder use.