Johnson Adafin and James O. B. Rotimi and Suzanne Wilkinson and Abimbola O. Windapo, Achieving Design-Stage Elemental Cost Planning Accuracy: Case Study of New Zealand. journal = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2017, vol. 121(1). 115 - 120 [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10006140.