Aluko, Bioye Tajudeen, C. A. Ajayl, and Abdul-Rasheed Amidu. 2010. “The Estate Surveyors and Valuers and the Magic Number: A Point Estimate or a Range of Value?”. International Journal of Strategic Property Management 8 (3):149-62. https://doi.org/10.3846/1648715X.2004.9637514.