Elfiana, E. et al. 2023. Design of a Thermal Conductivity Measurement Technique for Clay Furnace Materials Using an Arduino-Based Thermocouple Sensor¬. Jurnal Fisika Unand. 12, 4 (Oct. 2023), 615–620. DOI:https://doi.org/10.25077/jfu.12.4.615-620.2023.