YILDIRIM, H. İ. And KARATAŞ, F. Research on variables related to self- efficacy belief level of middle-school students in studying science. 2019. In Contemporary Approaches in Education and Social Sciences , Old Publishing, Brasov County, 25-46.

YILDIRIM, H. İ., & KARATAŞ, F., (2019). Research on variables related to self- efficacy belief level of middle-school students in studying science. Contemporary Approaches in Education and Social Sciences (pp.25-46), Brasov County: Old Publishing.

YILDIRIM, HALİL, And FERİDE KARATAŞ. "Research on variables related to self- efficacy belief level of middle-school students in studying science." In Contemporary Approaches in Education and Social Sciences , 25-46. Brasov County: Old Publishing, 2019

YILDIRIM, HALİL İ. And KARATAŞ, FERİDE. "Research on variables related to self- efficacy belief level of middle-school students in studying science." Contemporary Approaches in Education and Social Sciences , Old Publishing, 2019, pp.25-46.

YILDIRIM, H. İ. And KARATAŞ, F. (2019) "Research on variables related to self- efficacy belief level of middle-school students in studying science", Contemporary Approaches in Education and Social Sciences . Brasov County: Old Publishing.

@bookchapter{bookchapter, author ={HALİL İBRAHİM YILDIRIM And author ={FERİDE KARATAŞ}, chaptertitle={Research on variables related to self- efficacy belief level of middle-school students in studying science}, booktitle={ Contemporary Approaches in Education and Social Sciences}, publisher={Old Publishing}, city={Brasov County},year={2019} }