@article{ author = {حاتم زاده عربی, الهام, ایزدی, صمد, هاشمی, سهیلا}, title = {The Comparison of the bilingual and the monolingual students' academic performance and academic self-efficacy in the elementary schools}, journal = {Research in Curriculum Planning}, year = {2015}, volume = {12}, number = {44}, pages = {63-75}, doi = {} }