Open AccessEFFECTIVENESS OF THE FUNCTIONAL ADMINISTRATIVE AND TECHNCAL PERFORMANCE FOR THE ENVIRONMENT OF THE EMPLOYEES IN THE NATIONAL AUTHORITY OF TUNNELS A COMPARATIVE STUDY BETWEEN THE FIRST LINE AND THIRD LINE OF THE SUBWAY
Author(s) -
Wafaa Ibrahim Alnajjar,
Osama Farid,
Mohamed Abdel Hamid
Publication year - 2020
Publication title -
journal of environmental science (ain shams)/journal of environmental science
Language(s) - English
Resource type - Journals
eISSN - 2636-3178
pISSN - 1110-0826
DOI - 10.21608/jes.2020.163860
Subject(s) - line (geometry) , first line , line management , management , political science , public administration , operations management , engineering , medicine , economics , mathematics , geometry