Ismiatul Hasanah, and Gunawan Santoso. “Kiat-Kiat Karakter Humoris Dalam Membangun Optimisme Mahasiswa Melacak Kekuatan Tawa”. Jurnal Pendidikan Transformatif (JPT) 2, no. 5 (November 11, 2023): 288–312. Accessed May 30, 2026. https://jupetra.org/index.php/jpt/article/view/1589.