Purnamasari, S.C. and Rahmawati, L. 2026. Instructional Engineering in Science Education: A Systematic Literature Review of SDG-Oriented Project-Based Learning (2020–2025) . Assyfa Learning Journal. 4, 1 (July 2026), 157–170. DOI:https://doi.org/10.61650/alj.v4i1.1077.