Maulana K. THE CONCEPT OF HAPPINESS IN THE QUR’AN: AN ANALYTICAL STUDY OF QS. AL-RA’D: 28 IN THE LIGHT OF MODERN PSYCHOLOGY. IJGAM [Internet]. 2025 Oct. 2 [cited 2025 Dec. 7];1(3):281-5. Available from: https://jurnal-ijgam.or.id/index.php/IJGAM/article/view/62