Aris Aryanto, Messa Revolis, Yuki Oribe, and Hibino Yo. “APPLICATION OF DIGITAL IMAGE CORRELATION METHOD IN RC AND FRC BEAMS UNDER BENDING TEST”. GEOMATE Journal, vol. 24, no. 101, Jan. 2023, pp. 118-25, https://geomatejournal.com/geomate/article/view/3782.