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[ar] دراسة حالة
[az] Keys üsulu
[bg] Изследване на случай
[ca] Estudi de cas
[cs] Případová studie
[da] Casestudie
[de] Fallstudie
[el] Μελέτη περίπτωσης
[es] Estudio de caso
[et] Juhtumianalüüs