Mor Dirlik, E., Karatekin, K. The factors effecting the Turkish students' environmental optimism and awareness level in PISA 2015. София: 2018 637-653,.
Mor Dirlik, E., Karatekin, K. The factors effecting the Turkish students' environmental optimism and awareness level in PISA 2015. София: 2018 637-653,.
Mor Dirlik, E., Karatekin, K. (2018) The factors effecting the Turkish students' environmental optimism and awareness level in PISA 2015, София: 637-653,.
Mor Dirlik, E., & Karatekin, K. (2018). The factors effecting the Turkish students' environmental optimism and awareness level in PISA 2015. София: 637-653.
Mor Dirlik E, Karatekin K. The factors effecting the Turkish students' environmental optimism and awareness level in PISA 2015. София: 2018. p. 637-653.