Name Mariusz Kruk Affiliation پژوهشگر خارجی Degree _ Website Email — JournalPaper Presentation Speech WorkShop Book Innovation GrantAttraction Thesis Festival FinishedProject Sales Art StandardCreation TitleJournal 1 Classroom social climate, growth language mindset, and student engagement: the mediating role of boredom in learning English as a foreign language Journal of Multilingual and Multicultural Development