Aminullah, Lanang Maulana. 2026. ā€œDevelopment of a Simple Harmonic Motion Experimental Apparatus for Observing Trends and Conceptual Understandingā€. QUANTUM: Jurnal Pembelajaran IPA Dan Aplikasinya 6 (2):109-17. https://doi.org/10.46368/qjpia.v6i2.4968.