Biography
Haval Haji Yousif from Kurdistan Region-Iraq. assistant lecturer at Salahaddin University-Erbil, 44002 Erbil, Kurdistan Region-Iraq since 2013. I Have BSc in Soil and water in agriculture engineering college at the Salahaddin universit-Erbil, 2009-2013. I Have MSc in Soil Engineering has been received at the Salahaddin University-Erbil, 2017-2020. Thesis title about (Prediction of Swell and Shrinkage Factors for Different Soil Materials within Erbil District, Kurdistan Region-Iraq). Published paper titled under The Swell and Shrinkage Percentages for Various Soil Types and their Prediction from Intrinsic Soil Properties