[1]
Boayo, S.M.H. 2014. ’Islam’ and the Decline of Civilization: Deconstruction of Historiosophy of Oswald Spengler and Henri Pierenne. Al-Shajarah: Journal of the International Institute of Islamic Thought and Civilization (ISTAC). 12, 1 (Nov. 2014). DOI:https://doi.org/10.31436/shajarah.v12i1.63.