Affiano, Vembri, et al. “VALIDASI EKSPERIMENTAL LABORATORIUM PERILAKU LENTUR STRUKTUR BALOK BETON SANDWICH TERHADAP PENGARUH TEMPERATUR TINGGI: Experimental Laboratory Validation Flexural Behavior of Sandwich Concrete Beams Under High Temperature Exposure”. Spektrum Sipil, vol. 12, no. 2, Oct. 2025, pp. 131-42, doi:10.29303/spektrum.v12i2.412.