Shurooq Mahdi Ali, Shurooq Mahdi Ali, and Emad Al-Helaly. “SUM-SINES EQUATION FOR ESTIMATING THE PERCENT OF SHADOW LENGTH OF TARGETS IN THE SATELLITE IMAGES”. Kufa Journal of Engineering, vol. 9, no. 3, June 2021, pp. 112-27, https://doi.org/10.30572/2018/KJE/090309.