1.
Wulan S, Pratiwy D. The Spiritual States (Ahwal) in the Rubaiyat of Omar Khayyam. KSS [Internet]. 2018 Apr. 19 [cited 2025 Jul. 11];3(4):864–877. Available from: https://knepublishing.com/index.php/KnE-Social/article/view/1993