1. Ahamad MHS, Perera BAKS, Illankoon IMCS (2013) In house versus outsourcing facilities management: a framework for value added selection in Sri Lankan commercial buildings. In: Proceeding of the 2nd world construction symposium on planning, designing and building for tomorrow, Colombo, Sri Lanka, pp 298–306
2. Aishah Kamarazaly M, Mbachu J, Phipps R (2013) Challenges faced by facilities managers in the Australasian universities. J Facil Manag 11(2):136–151
3. Amaratunga D, Baldry D (2002) Performance measurement in facilities management organisations: transition from measurement to management.
http://usir.salford.ac.uk/9903/1/performance_measurement.pdf
. Accessed Mar 2018
4. Amaratunga D, Baldry D, Sarshar M (2000) Performance evaluation in facilities management: using the balanced scorecard approach.
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.107.7215
. Accessed Mar 2018
5. Atkin B (2003) Contracting out or managing services in-house. Nord J Surv R Estate Res 1:18–33