Rojas, Eddy M. Construction productivity a practical guide for building and electrical contractors / [electronic resource] : edited by Eddy M. Rojas. - Ft. Lauderdale, FL : J. Ross Pub., c2008. - xiii, 329 p. : ill. ; 24 cm. ISBN: 9781604270006 (hardcover : alk. paper) 1604270004 (hardcover : alk. paper) Subjects--Topical Terms: Contractors--Handbooks, manuals, etc. LC Class. No.: TH12 / .C66 2008 Dewey Class. No.: 690.68