VALIDACIJA UPITNIKA KVALITETA INTEGRIRANOSTI PREDMETNOG U ŠKOLSKI KURIKULUM VALIDATION OF THE QUESTIONNAIRE OF THE QUALITY OF INTEGRATION OF A SUBJECT INTO THE SCHOOL CURRICULUM Journal title: Zbornik radova Islamskog pedagoškog fakulteta u Zenici / Proceedings of the Islamic Pedagogical Faculty in Zenica Authors: Izet Pehlić, Anela Hasanagić, Emina Grabus Subject(s): Social Sciences, Literature, Islam, Languages and Literature, Philology, Sociology