Mohaiyadin NMH, Mardzuki K, Mat Nawi H, Jusoh MA. DEVELOPING A SUSTAINABLE WAQF PRODUCT MODEL: A PRELIMINARY STUDY . IJEMP [Internet]. 2025 Sep. 30 [cited 2025 Oct. 25];8(31). Available from: https://gaexcellence.com/ijemp/article/view/6152