Dr. Eleyan Issa Jamal Issa, Dr. Shagin Musa Saleh Mahmoud, Heba Basem Abu-Hmaid, Salwa Al-Mashaqba, Ola Habash 2020. Structural Efficiency of the Building Form for Optimization the Diagrid Structure. International Journal of Advanced Science and Technology. 29, 3 (Mar. 2020), 12572 - 12589.