Cleland, David I.
Systems analysis and project management / - Third edition / - New Delhi : McGraw Hill International Book Company , 1986 - p.490 :
0-07-Y66224-X
Engineering
D68(B):8 / M3
Systems analysis and project management / - Third edition / - New Delhi : McGraw Hill International Book Company , 1986 - p.490 :
0-07-Y66224-X
Engineering
D68(B):8 / M3