1. Accounting Discretion in Goodwill Impairments: UK Evidence;AbuGhazaleh;Journal of International Financial Management & Accounting,2011
2. Accounting Standard Board of Japan (ASBJ) 2016 Quantitative Study on Goodwill and Impairment https://goo.gl/Gr8NLB
3. American Institute of Certified Public Accountants (AICPA) 1970a Accounting Principles Board Opinion No. 16: Business Combinations
4. American Institute of Certified Public Accountants (AICPA) 1970b Accounting Principles Board Opinion No. 17: Intangible Assets
5. The Effect of Mandatory IFRS Adoption on Conditional Conservatism in Europe;André;Journal of Business Finance and Accounting,2015