Kentei Boki Kougi 2-kyu Kogyo Boki: Nihon Shoko Kaigisho Shusai Boki Kentei Shiken 2021-nendo ban (Lecture on Certified Bookkeeping, Grade 2, Industrial Bookkeeping: Japan Chamber of Commerce and Industry Bookkeeping Certification Exam, 2021 Edition) ‐ Mercari: Shop from Japan