Kevin, Ignasius and Sinaga, Erikson F. and Hanafi, Cepi Mohammad (2016) Designing and Developing Solar Photovoltaic Cleaning Robot to Maintain Generated Power Performance. Bachelor thesis, Swiss German University.

Sirait, Kennan Jonathan and Sinaga, Erikson F. and Hanafi, Cepi Mohammad (2016) Implementing Weight Distribution System to Improve an Existing Automated Storage and Retrieval System (AS/RS). Bachelor thesis, Swiss German University.