Generate a full detail guide for leaders on how to build a 'learning organization.' The guide must be cultural and practical. It should include detailed sections on: 1. The business case for a learning culture (e.g., adaptability, retention). 2. How to implement 'lunch and learns' and knowledge-sharing sessions. 3. A guide to creating individual professional development plans for employees. 4. The concept of creating 'psychological safety' so employees feel safe asking questions and admitting mistakes. 5. How to budget for and measure the ROI of learning initiatives. Please include a supportive disclaimer.