P, S., Agra, I.B., Bendiyasa, I.M. and Sediawan, W.B. 2005. Kinetic Consideration of Clinker Formation in Portland Cement Production Using Demolition Rubbles (Concrete,mortar and plaster) Part I : Burning Ability of Raw Mixes. ASEAN Journal of Chemical Engineering. 5, 2 (Dec. 2005), 169-175.