Abdul Samat, Nazrul Azlan. “Kesan Positif Pemberian Sedekah: Aplikasi Kaedah Pembuktian Langsung Dengan Menggunakan Teori Nilai Mutlak Dan Persamaan Pendapatan Boleh Guna: A Positive Effect of Giving Sadaqah: Application of Direct Proof Method Using The Absolute Value Theory and The Equation of Disposal Income”. Sains Insani 8, no. 1 (May 31, 2023): 134-141. Accessed May 2, 2024. https://sainsinsani.usim.edu.my/index.php/sainsinsani/article/view/489.