yaar mohammadi vasel, M. & farokhi, N. A. (2006). Factors affecting high school students' academic failure in English Language from students, teachers and head teachers point of view. Educational Psychology, 2(4), 163–188. https://doi.org/10.22054/jep.2006.5981

yaar mohammadi vasel, M., & farokhi, N. A. "Factors affecting high school students' academic failure in English Language from students, teachers and head teachers point of view", Educational Psychology, 2, 4, 2006, 163–188. doi: 10.22054/jep.2006.5981

yaar mohammadi vasel, M., & farokhi, N. A. (2006). 'Factors affecting high school students' academic failure in English Language from students, teachers and head teachers point of view', Educational Psychology, 2(4), pp. 163–188. doi: 10.22054/jep.2006.5981

yaar mohammadi vasel, M. & farokhi, N. A., "Factors affecting high school students' academic failure in English Language from students, teachers and head teachers point of view." Educational Psychology, 2 4 (2006): 163–188, doi: 10.22054/jep.2006.5981

yaar mohammadi vasel M., farokhi N. A. Factors affecting high school students' academic failure in English Language from students, teachers and head teachers point of view. Educational Psychology. 2006;2(4):163–188 (In Persian). doi: 10.22054/jep.2006.5981