Kalsom bti Ali, Khaled Mahmoud Almashaqbeh,. «The Moderating Effect of Age in the Relationship Between E-Government Services and Job Performance». Opción 350 (junio 9, 2019): 1394-1421. Accedido agosto 3, 2025. http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/24086.