“…Cluster 1 talks a lot about contracts and practices in Islamic banking, in particular the scheme and modeling of profit-loss sharing, both mudharabah, and musyarakah. Some modeling related to the PLS scheme, among others, was carried out by Bakhtiar et al (2014), Halim (2013, Halim et al (2016), Hasan (2010), Khaled & Khandker (2015), Sugema et al (2010), Sumarti & Marendri (2017), Sumarti et al (2015), Wahyudi & Sakti (2016) and Wolf et al (2018). Meanwhile, specifically, the mudharabah profit-sharing modeling has been carried out by Cahyandani et al (2017), Isa (2011), andOmar &Jaffar (2016).…”