Items by "Siregar, Riski"
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Yulia, Erma and Situmorang, Benyamin and Pakpahan, Binsar and Siregar, Riski (2024) Validity of Engineering Mechanics Teaching Materials Using the Analysis, Design and Development (ADD) Stage. In: Proceedings of the 5th International Conference of Educational Science, ICONSEIR 2023, 30 November 2023, Medan, Indonesia.