The influence of the model (Perkins and Blyth) In the achievement and inclination towards the subject of science for the students of the first intermediate grade. cbej [Internet]. 2022 Dec. 7 [cited 2024 Jul. 17];24(102):193-212. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6311