Jaapar, Nurzahidah, Mohd Faiz Mohamed Yusof, Sharifah Fadylawaty Syed Abdullah, and Anis Husna Abdul Halim. 2022. “An Analysis of the Principles of Sustainable Income Based on Kitab Al-Kasb”. Environment-Behaviour Proceedings Journal 7 (SI7):83-89. https://doi.org/10.21834/ebpj.v7iSI7.3034.