Zyoud, Osama, Abdalla Khataybeh, and Ebtisam Rababaa. 2021. “The Inclusion of Next Generation Science Standards (NGSS) and Bloom’s Taxonomy in the Science and Life Textbook for Fifth Grade in Palestine”. Dirasat: Educational Sciences 48 (1):127-42. https://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/2539.