Abdul Jabbar, H., & Pope, J. (2008). The effects of the self-assessment system on the tax compliance costs of small and medium enterprises in Malaysia. Australian Tax Research Foundation.

Abdul Jabbar, Hijattulah, و Jeff Pope. The Effects of the Self-assessment System On the Tax Compliance Costs of Small and Medium Enterprises in Malaysia. Australian Tax Research Foundation, 2008.

Abdul Jabbar, Hijattulah, و Jeff Pope. The Effects of the Self-assessment System On the Tax Compliance Costs of Small and Medium Enterprises in Malaysia. Australian Tax Research Foundation, 2008.