Karimah, Ummah, Yusuf Syamsu, Nurihsan Juntika, and Budiman Nandang. 2021. “The Hardiness Profile of Islamic Boarding School Student in Indonesian”. AL-ISHLAH: Jurnal Pendidikan 13 (3):1806-13. https://doi.org/10.35445/alishlah.v13i3.747.