HUTEM, A.; PAKAMWANG, J.; KHOOMSAB, K. 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, [S. l.], v. 21, n. 1, p. 9–23, 2025. Disponível em: https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/256061. Acesso em: 16 sep. 2026.