SÖNMEZ, E., & YERLİKAYA, Z. (2017). A Study of Environmental Knowledge and Attitudes of Secondary Students in terms of Different Kinds of Schools. Adem Yavuz Sonmez.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSÖNMEZ, Elif, এবং Zekeriya YERLİKAYA. A Study of Environmental Knowledge and Attitudes of Secondary Students in Terms of Different Kinds of Schools. Adem Yavuz Sonmez, 2017.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSÖNMEZ, Elif, এবং Zekeriya YERLİKAYA. A Study of Environmental Knowledge and Attitudes of Secondary Students in Terms of Different Kinds of Schools. Adem Yavuz Sonmez, 2017.
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