Nur, M. and Sabur, F. 2025. Development of Teaching Materials and Harmonized Semester Learning Plan for the Aircraft Basic Workshop Theory Course through Learner-Centered Instructional Design in Indonesian Aviation Polytechnics. Journal La Edusci. 6, 2 (Jul. 2025), 284-307. DOI:https://doi.org/10.37899/journallaedusci.v6i2.2244.