Hutem, Artit, Jetsadaporn Pakamwang, and Kan Khoomsab. 2025. “Calculation the Equation of Spring Collapse Distance as a Function of Time via External Force Squared Sine Function in Simple Harmonic Motion”. NKRAFA JOURNAL OF SCIENCE AND TECHNOLOGY 21 (1):9-23. https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/256061.