Table 2.

Classification of Waqf research topic, subtopics, and papers.

Topic	Sub-topic	Papers
Finance	Islamic Microfinance	Haneef et al. (2014)
		Haneef et al. (2015)
		Ahmed and Salleh (2016)
		Thaker et al. (2016)
		Abdullah and Ismail (2017)
		Hamber and Haneef (2017)
		Zabri and Mohammed (2018)
	Banking	Ramli and Jalil (2014)
		Darus et al. (2017)
		Hamza (2017)
		Mohammad (2015)
	Non-bank Finance	Hasan and Sulaiman (2016)
		Rahman and Ahmad (2011)
		Zakaria et al. (2013)
		Abdullah and Saiti (2016)
		Thaker and Thaker (2015)
		Sulaiman et al. (2019)
	Financing Agriculture	Orbay (2012)
		Shafiai et al. (2015)
		Moh'd et al. (2017)
	Financing Education	Mahamood and Rahman (2015)
		Shamsudin et al. (2015)
Economic Development	Economic Development	Abdullah (2018)
		Hisham et al. (2013)
		Amuda et al. (2016)
		Noor and Yunus (2014)
		Shabbir (2018)
		Mohsin (2013)
		Shaikh et al. (2017)
		Suhaimi et al. (2014)
		Iman and Mohammad (2017)
		Sanusi and Shafiai (2015)
		Ambrose et al. (2018)
		Adeyemi et al. (2016)
		Sulaiman and Zakari (2019)
		Pitchay et al. (2018)
		Thaker (2018)
		Thaker et al. (2018)
Law and Norms	Law	Rahman and Amanullah (2017)
		Abbasi (2012)
		Beverley (2011)
		Akhtar (2012)
		Abdullah and Hudaib (2019)
		Siregar (2016)
	Norms	Pitchay et al. (2015)
		Khadijah et al. (2017)
		Noordin et al. (2017)
		Rizal and Amin (2017)
		Shukor et al. (2019)
		Jalil et al. (2019)
Accountability	Accountability	Masruki and Shafii (2013)
		Daud (2019)
		Nahar and Yaacob (2011)
		Yaacob and Nahar (2017)
		Ihsan and Septriani (2016)
		Ihsan et al. (2011)
		Ihsan et al. (2017)
		Yaacob et al. (2015)
		Azmi and Hanifa (2015)
History	History	Reichmuth (2010)
		Çizakça (2015)
		Khalfan and Ogura (2012)
		Igarashi (2019)