Valuation methods and case studies of M&A of listed companies 并列题名：Valuation methods and case studies of M&A of listed companies Tax case studies on M&A in listed companies 并列题名：Introduction and case studies to merger & acquisition of listed companies Introduction and case studies to merger & acquisition of listed companies Evaluation report of accounting-based investor protection of China's listed companies Study on cross-industry transformation of listed companies Study on the choice of payment methods and financing sources in M&A for listed companies Warrants application of listed companies