Canan AKYOL, Osman SABANCI, Melike FAİZ. OPINIONS OF EIGHT GRADE STUDENTS ON THE GLOBAL PROBLEMS. IJOESS [Internet]. 2017 Aug. 1 [cited 2025 May 17];8(28):CCCLXII-CCCXCIII. Available from: https://rrpubs.com/index.php/ijoess/article/view/945