الوصول الحر: https://doaj.org/article/2def42fac4a24f73ad8fcb8f2ff80c41Test
الوصول الحر: https://doaj.org/article/c03a75dcb35a49fba0b0f58af1d46897Test
الوصول الحر: https://doaj.org/article/22b6be85d99d4d3d89aaa359f6911d61Test
الإتاحة: https://journals.innovareacademics.in/index.php/ajpcr/article/view/47379Test