Akman, O. & Alago, B. 2017. A Study on Environment - Oriented Knowledge, Attitude and Behavior Level of Teacher Candidates. Journal of Education & Practice, 8(7), 229-245.
Birjandi, M. 2015. Main Policies in Developing and Implementing Environmental Education Strategies in the Sixth Development Plan, Strategy Quarterly, 26 (84): 147-133.
Blewitt, J. 2008. Understanding sustainable development earth scan، first published, Uk.
Canada Green Bulding Council (2018). Green Schools. www.cagbc.org.
Chambers, R. 2012. Prticiparoru Whorkshop. London: Scan Publications LTD.
Earthman, G. 2015. Planning Education Facilities. USA: Rowman & Littlefield Education.
Fazeli, F. & Mahdavi Ekdloo, F. 2009. Investigating the status of environmental content in the textbooks of experimental sciences in general education, Quarterly Journal of Environmental Science and Technology, (1) 21: 243-227.
Fien, J. & Tilbury, D. 2002. The global challenge of sustainability. In D. Tilburry, R.B. Stevenson, J. Fien, D. Schreuder (Eds.), Education and Sustainability: Responding to the Global Challenge (pp. 1-12). IUCN Commission on Education and Communication CEC. IUCN, Gland, Switzerland, and Cambridge, UK.
Grear, A. & Grant, E. 2015. Thought, Law, Rights and Action in the Age of Environmental Crisis. Cheltenham: Edward Elgar.
Islamieh, F.; Oladian, M. & Safari, M. 2019. Designing a Conceptual Model of Green Schools in Iran, Scientific Journal of School Management, 7 (2): 22-1.
López-Alcarria, A.; Gutiérrez-Pérez, J.; Poza-Vilches, F. 2017. Sustainable Management of Pre-School Education Centers: A Case Study in the Province of Granada. Procedia Social and Behavioral Sciences, 237(21), 541-547.
Manassas Park Elementary School. 2018. Online at: www.mpark.net [Accessed 07.01.18]
Maybodi, H.; Lahijanian, A.A.; Shabbiri, M. J. 2015. Azizinejad R. Development of standard criteria for green schools in Iran. Journal of Education, 32 (3): 129-107.
McKey, T. 2017. U.S. Department of Education Green Ribbon Schools Award from 2012, 2013, and 2014: Teacher Perceptions of Ecological & Democratic Principles. Journal of Sustainability Education, 13, 1-15.
Ontario Ministry of Education. 2018. Green Schools. Resource Guide: A Practical Resource for Planning & Building Green Schools in Ontario. Online at: www.edu.gov.on.ca .
Tripathi B.K. 2015. Towards a Green School on Education for Sustainable Development for Elementary Schools. National Council of Educational Research and Training, New Delhi, September 2015.
U.S. Green Building Council. 2018. Leadership in Energy and Environmental Design (LEED). Washington, DC: Author. Online at: www.usgbc.org.
UNESCO. 2019. Eco-Schools to Place Environmental Education at the Heart of the School Curriculum, https:// en.unesco.org/ greencitizens/ stories/eco-schools place-environmental- education-heart- school-curriculum.
Vestena C.L.B., Piske., & F.H.R. 2017. Knowledge and Morality of School-Age Children & Adolescents Regarding Environmental Issues and Moral Dilemmas. Creative Education, 8, 177-188.
World Health Organization. 2015. School environment: Copenhagen: WHO Regional Office for Europe.
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