Identifying and Defining Knowledge-work Waste in Product Development: A Case Study on Lean Maturity Assessment. - Felix P. Santhiapillai; R. M. Chandima Ratnayake (IEEM, 2018)

Lean Six Sigma Based Performance Improvement in Public Passport Services: A Case Study from Office Work. - Felix P. Santhiapillai; R. M. Chandima Ratnayake (IEEM, 2019)

Application of Lean Six Sigma Methodology and Queueing Theory to Minimize Systemic Variability: A Case Study from Public Services. - Felix P. Santhiapillai; R. M. Chandima Ratnayake (IEEM, 2020)

Utilizing Lean Thinking as a Means to Digital Transformation in Service Organizations. - Felix P. Santhiapillai; R. M. Chandima Ratnayake (APMS (2), 2020)

On the Need of Functional Priority and Failure Risk Assessment to Optimize Human Resource Allocation in Public Service Organizations. - Felix P. Santhiapillai; R. M. Chandima Ratnayake (APMS (2), 2020)

On the Necessity for Identifying Waste in Knowledge Work Dominated Projects: A Case Study from Oil & Gas-Related Product Development Projects. - Felix P. Santhiapillai; R. M. Chandima Ratnayake (APMS (2), 2020)

Hoshin Kanri and Portfolio Kanban Management: A Conceptual Framework for Strategic Management in the Public Sector. - Felix P. Santhiapillai; R. M. Chandima Ratnayake (IEEM, 2021)

A Lean Approach for Multi-criteria Decision-Making in Public Services' Strategy Deployment. - Felix P. Santhiapillai; R. M. Chandima Ratnayake (APMS (1), 2021)

Lean Six Sigma in Knowledge Work: A Case Study from Policing and Prosecution Services. - Felix P. Santhiapillai; R. M. Chandima Ratnayake (APMS (1), 2021)