Adiya, Z. I. S. G., and B. G. Mustafa. “Effect of Vacuum Contact Agitated Drying on Particle Size Distribution of Aspirin Powder and Aspirin Agglomerates”. Earthline Journal of Chemical Sciences, Vol. 5, no. 1, Nov. 2020, pp. 77-85, doi:10.34198/ejcs.5121.7785.