HARDIYANTO, D.; TJAHJANTI, P. H. Optimal Composition Ratio Achieves Maximum Compressive Strength in Sandwich Panels: Rasio Komposisi Optimal Menghasilkan Kekuatan Tekan Maksimal pada Panel Sandwich. Indonesian Journal of Innovation Studies, [S. l.], v. 26, n. 4, p. 10.21070/ijins.v26i4.2125, 2026. DOI: 10.21070/ijins.v26i4.2125. Disponível em: https://ijins.umsida.ac.id/index.php/ijins/article/view/2125. Acesso em: 17 jun. 2026.