TY - BOOK AU - Mohamed Abdelhamid Mohamed Abdellateef AU - Hossam Mohamed Wahba Toma , AU - Moheeb Elsaid Ibrahim , TI - Benchmarking model for masonry labors productivity improvement / PY - 2010/// CY - Cairo : PB - Mohamed Abdelhamid Mohamed Abdellateef , KW - Construction KW - Improvement KW - Productivity N1 - Thesis (Ph.D.) - Cairo University - Faculty of Engineering - Department of Civil Engineering; Issued also as CD N2 - The productivity of labor is particularly important especially in developing countries where most of the building construction work is still on manual basis . Quantifying lost labor productivity on construction projects is difficult . Many authors and researchers have attempt to measure improve and predict the productivity of labors in construction projects ER -