Providing safe drinking water in small systems : technology, operations, and economics
Lewis Publishers, 1999
Buku Teks
Managing technology
Artikel Jurnal
Managing technology
Artikel Jurnal
Cauley, Troy Jesse
Economics; principles and institutions
International Textbook, 1968
Buku Teks SO
Technology and social institutions
edited by Kan Chen
IEEE Press, 1974
Buku Teks SO