Park, T. (2003) Application of Construction and Building Debris as Base and Subbase Materials in Rigid Pavement. Journal of Transportation Engineering, 129, 558-563.
 Poon, C.S. and Chan, D. (2006) Feasible Use of Recycled Concrete Aggregates and Crushed Clay Brick as Unbound Road Sub-Base. Construction and Building Materials, 20, 578-585.
 Taha, R., Al-Harthy, A., Al-Shamsi, K. and Al-Zubeidi, M. (2002) Cement Stabilization of Reclaimed Asphalt Pavement Aggregate for Road Bases and Subbases. Journal of Materials in Civil Engineering, 14, 239-245.
 Rodrigues, F., Evangelista, L. and Brito, J.D. (2013) A New Method to Determine the Density and Water Absorption of Fine Recycled Aggregates. Materials Research [Online], 16, 1045-1051.
 The Highway Agency. Standards for Highways. Manual of Contract Document for Highway Works (MCHW), Volume 1, Specification for Highway Works. Series 800, Road Pavements-Unbound, Cement and Other Hydraulically Bound Mixtures, 2007.
 Tam, V.W.Y., Tam, C.M. and Le, K.N. (2007) Removal of Cement Mortar Remains from Recycled Aggregate Using Pre-Soaking Approaches. Resources, Conservation and Recycling, 50, 82-101.