Karma Dorji

Understanding Household Welfare in Bhutan: A Regression and Classification Approach to Consumption Expenditure and Poverty

Poverty analysis in Bhutan has remained largely descriptive, with limited use of predictive modelling. This study applies a combined regression and classification framework to the Household Consumption and Expenditure Survey 2025 Public Use File, covering 5,883 households across...

Effect of Heat treatment parameters on the tribological performance of LM26/graphite/fly ash hybrid aluminium matrix composites using Taguchi-TOPSIS optimization

Hybrid aluminium matrix composites (HAMMCs) are of interest for lightweight components requiring improved resistance to wear and friction. The present study investigates the effects of solution treatment temperature, holding time and cooling method on the tribological behaviour o...