Mohammed, Ali Hussein. “The Effect of Curing Time on The Mechanical Properties of Polystern Reinforced Alumina Particular Composite”. Nahrain University College of Engineering Journal 15, no. 2 (September 20, 2012): 197–205. Accessed December 23, 2024. https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/624.