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AHMAD SANI, BELLO UMAR JADA, RAJIU MUSTAPHA MUHAMMAD. OPTIMIZATION OF COCONUT SHELL ASH AS A BITUMEN MODIFIER USING MARSHALL STABILITY PROPERTIES. BJERD [Internet]. 2025 Oct. 13 [cited 2025 Oct. 20];9(5). Available from: https://berkeleypublications.com/bjerd/article/view/601