Abdul Samat NA. 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. JSI [Internet]. 2023 May 31 [cited 2025 Sep. 25];8(1):134-41. Available from: http://sainsinsani.usim.edu.my/index.php/sainsinsani/article/view/489