American Society of Civil Engineers Energy Division, 2018
Majalah, Jurnal, Buletin
Organisation for Economic Cooperation and Development, 1982
Buku Teks
Devins, Delbert W.
John Wiley & Sons, 1982
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Doty, Steve, author
CRC Press, Taylor & Francis Group, 2009
Buku Referensi
Wieder, Sol, author
John Wiley & Sons, 1982
Buku Teks