Investigating leachate contamination near the Quezon City Controlled Dumpling Facility using ion chloride as indicator
 Artikel Jurnal
Technical drawing
Frederick E. Giesecke [and others]
Pearson education International, Prentice Hall, 2009
 Buku Teks
Boundy, Albert W.
Engineering drawing
McGraw-Hill, 2008
 Buku Teks
Schmidt, Engineering Otto
Technical drawing
German: Laipzig, 1963
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Cooper, Douglas
Drawing and perceiving
John Wiley & Sons, 2001
 Buku Teks