Gianto, G., V. Firmansyah, I. Setiawan, and A. Rifani. “THE DEVELOPMENT OF IMAGE PROCESSING METHOD ON THE AUTOMATIC READING SYSTEM OF THE GLASS THERMOMETER USING A DIGITAL CAMERA”. Spektra: Jurnal Fisika Dan Aplikasinya, Vol. 6, no. 1, Apr. 2021, pp. 1 - 8, doi:10.21009/SPEKTRA.061.01.