Noor Hiqmah, & Sri Handayani. (2026). The Effect of the Use of Project Based Learning (PjBL) Learning Model on the Creativity and Metacognition of Class X Students on Ecoprinting Materials of the Green Chemistry Concept. International Journal of Educational Development, 3(3), 01–09. https://doi.org/10.61132/ijed.v3i3.487