YOGI PRATAMA, Ahmad; FARIDA TANTIANI, Farah. Differences in Hardiness Between 8th Grade Students of Superior and Regular Class in SMPN 1 Ngunut Tulungagung. KnE Social Sciences, [S. l.], v. 7, n. 1, p. 99–108, 2022. DOI: 10.18502/kss.v7i1.10204. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/10204. Acesso em: 1 jun. 2025.