Independently published 2. Preparation Book for the TestAS Core Test: Solving Quantitative Problems

2. Preparation Book for the TestAS Core Test: Solving Quantitative Problems (Preparation for the TestAS Core Test 2025)

1. Preparation Book for the TestAS Core Test: Guideline for the TestAS and Completing Patterns (Preparation for the TestAS Core Test 2025)

3. Preparation Book for the TestAS Core Test: Inferring Relationships and Continuing Numerical Series (Preparation for the TestAS Core Test 2025)