1. Abu Bakar, N., & Abdul Rahman, A. (2007). A Comparative study of zakah and modern taxation. Journal of King Abdulaziz University-Islamic Economics, 20(1), 25–40. doi:
10.4197/islec.20-1.2
.
2. Al-Qardawi, Y. (1968). Fiqh al Zakah—Comparative study of zakah, regulations and philosophy in the light of Qur’an and sunnah volume II (Translated). Jeddah: Scientific Publishing Centre King Abdulaziz University, p. 351. Available at:
http://monzer.kahf.com/books/english/fiqhalzakah_vol1.pdf
. Accessed May 25, 2012.
3. Al-Tally, H. A. (2014). An investigation of the effect of financial leverage on firm financial performance in Saudi Arabia’s public listed companies (Doctoral dissertation, Victoria University).
4. Amalina Wan Abdullah, W., Percy, M., & Stewart, J. (2013). Shari’ah disclosures in Malaysian and Indonesian Islamic banks. Journal of Islamic Accounting and Business Research, 4(2), 100–131.
http://dx.doi.org/10.1108/jiabr-10-2012-0063
.
5. Arsad, S., Said, R., Yusoff, H., Othman, Y., & Ahmad, R. (2014). The relationship between Islamic corporate social responsibility and firm’s performance: Empirical evidence from Shari’ah compliant companies. European Journal of Business and Management, 6(36), 161–174.