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), 12572 -89. http://sersc.org/journals/index.php/IJAST/article/view/30378.