The Effect of The Strategies of Cognitive Harvesting And Writing Down Ideas on The Achievement of Geography Subject And The Development of Serious Thinking Among Students of The Fourth Grade. cbej [Internet]. 2025 Apr. 23 [cited 2025 May 15];30(128):400-23. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/12790