2. Cogent business & management. Abingdon, Oxfordshire, UK : Cogent OA, an imprint of Taylor & Francis 2014- BUS352
3. Business foundations: a changing world Ferrell, O. C., New York, NY : McGraw Hill LLC, [2023] BUS100 BUS200
6. Inside the Chinese mind: a guide on how the Chinese think Baker, Geoffrey, 1956- Singapore : Cengage Learning Asia Pte Ltd., c2012. COUN400
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9. Asian management and business review. Sleman, Yogyakarta, Indonesia : Master of Management, Department of Management, Faculty of Business and Economics, Universitas Islam Indonesia, 2021- BUS100 BUS120