1. 1.  “Construction Management and Equipment” by “Saurabh K. Soni”, S.K. Kataria & Sons; 2014 edition (2014)
   2.  “Construction and Project Management for Engineers, Architects, Planners and Builders” by “K.G. Krishnamurthy and S. V. Ravindra”, CBS (1 December 2008)
   3.  “Downtime model development for construction equipment management” by “Mr. Madhav Prasad Nepal and Mr. Moonseo Park (Assistant Professor at National University of Singapore, Singapore)”. Journal - Engineering, Construction and Architectural Management – 2004
   4. “Heavy Equipment Management Practices and Problems in Thai Highaway Contractor” by “Thanapun Prasertrungung and B.H.W. Hadikusumo at Asian School of Technolgy, Thailand”, Journal - Engineering, Construction and Architectural Management -2007.
   5. Google Forms for online survey.