Raidah Hanifah, Mujidin, Ahmad Muhammad Diponegoro. The Relationship between Hardiness and Self-adjustment: A Study of High School Students on Boarding School. ijip [Internet]. 2022 Nov. 5 [cited 2024 Nov. 21];9(2). Available from: https://ijip.co.in/index.php/ijip/article/view/1538