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 The Political Role of Khalifah Al-Ma'mun in Developing Islamic  Education.
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Available at: &lt;<a href="https://prosiding.iainponorogo.ac.id/index.php/aicied/article/view/1198" target="_new">https://prosiding.iainponorogo.ac.id/index.php/aicied/article/view/1198</a>&gt;. Date accessed: 15 dec. 2024.