Yaakub, Fadziani, and Ahmad Hidayat Buang. 2017. “KEDUDUKAN JANJI DALAM UNDANG-UNDANG ISLAM DAN AKTA KONTRAK 1950: Status of Promise in Shariah Law and Contract Act 1950”. Journal of Shariah Law Research 2 (1):1-20. https://doi.org/10.22452/http://doi.org/10.22452/JSLR.vol2no1.1.