Sukumar Letchmunan completed his PhD in Computer Science at the University of Strathclyde (UK) in 2013. Since then he is a senior lecturer in the School of Computer Sciences, University Sains Malaysia (USM). He has been a tutor, technical trainer and served as lecturer and course coordinator at private college and private university prior to his PhD studies. His research interest are in Software Engineering, Software Metrics in Web applications, software cost estimation and agile project management. Sukumar Letchmunan is the corresponding author and can be contacted at: sukumar@usm.my