Ayvacı H Şevki, Bebek G. The Effect of STEM-Based Activity Designed for Gifted Students on Students’ Scientific Creativity and Cognitive Achievement. PERR [Internet]. 2023 Aug. 10 [cited 2024 Jul. 3];12(2):422-41. Available from: https://perrjournal.com/index.php/perrjournal/article/view/519