I was pleased to see this work finally get published. Bishan did a lot of work on the front end and Dr. Wang did a tremendous job shepherding the paper through the approval process during the pandemic.
Life-cycle cost optimization of a solar combisystem for residential buildings in Nepal
in Journal of Asian Architecture and Building Engineering
https://www.tandfonline.com/doi/full/10.1080/13467581.2021.1928502