Energy R&D : problems and perspectives
OECD, 1975
Buku Teks
Hunt, V. Daniel
Handbook of conservation and solar energy : trends and perspectives
Van Nostrand Reinhold Company, 1982
Buku Referensi
Khemani, L.D., editor
Chemistry of phytopotentials : health, energy and environmental perspectives
Springer, 2012
eBooks
Perspectives
London : Hamish Hamilton Ltd
Majalah, Jurnal, Buletin
Perspectives on ....
Artikel Jurnal