C
Control de qualitat -- Congressos  [3]
E
Eficiència industrial -- Congressos  [1]
I
Industrial efficiency -- Congresses  [1]
ISO 9001 Standard -- Congresses  [1]
N
Norma ISO 9001 -- Congressos  [1]
P
Performance -- Congresses  [1]
Q
Qualitat total -- Copngressos  [1]
Quality control -- Congresses  [3]
R
Rendiment -- Congressos  [1]
S
Sector terciari -- Control de qualitat  [1]
Service industries -- Quality control -- Congresses  [1]
T
Total quality management -- Congresses  [1]