Sparzinanda, E., Oktamuliani, S. ., Fitriyani, D. . and Taufiq, I. . (2023) “Digital Image Processing for Determining the Speed of Blood Flow in the Heart Based on the Doppler Effect”, JURNAL ILMU FISIKA, 15(2), pp. 116–122. doi: 10.25077/jif.15.2.116-122.2023.