Kennedy, Barry W.
Energy efficient transformers
McGraw-Hill, 1998
 Buku Teks
Darrow, Ken
Appropriate technology sourcebook : for tools and tachniques that use Skill, local resources, and renewable sources of energy
Volunteers in Asia, 1977
 Buku Teks
Refdinal Nazir
Voltage profile improvement of the 20 kv painan distribution system with multiple distributed renewable energy generation
Faculty of Engineering, Universitas Indonesia, 2016
 Artikel Jurnal
Nelson, Vaughn
Introduction renewable energy
CRC Press, 2011
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Da Rosa, Aldo Vieira
Fundamentals of renewable energy processes
Elsevier Academic Press, 2009
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