From https://breakingintowallstreet.com/biws/homepage/
Level 1 - IB Networking Toolkit社交技能(1.25G), IB Interview Guide投行面试指南(1.44G)
Level 2 - Excel and Fundamentals, Advanced Modeling估值建模基础及进阶教程(42.3G)
Level 3 - Bank Modeling银行业模型(6.26G), Oil and Gas Modeling石油天然气行业模型(6.83G), Real Estate Modeling地产业模型(7.44G)
Others - PowerPoint Pro 2.0&1.0 PPT技能辅导(4.22G)