Dr. Eleyan Issa Jamal Issa, Dr. Shagin Musa Saleh Mahmoud, Eng. Safaa Ibrahim Hammad 2020. Study The EffectsofPartially Substitution of Sand with Fine Glass on Mechanical Properties of Mortar . International Journal of Advanced Science and Technology. 29, 3 (Mar. 2020), 12590 - 12594.