Dr. Rashwan Jalil Saeed Al- mashkoor 2023. The effectiveness of the strategy of the metacognitive learning cycle in the metacognitive thinking skills of the fourth scientific grade students in chemistry. Journal of the College of Education for Girls for Humanities. 1, 30 (Jun. 2023). DOI:https://doi.org/10.36327/ewjh.v1i30.12407.