ISO 9000 : a workbook for service firms in developing countries / the workb. was writ. by Dorothy Riddle ; ITC, ISO. - Geneva : ITC : ISO, 1998. - ix, 215 p. ; 30 cm.см.. - (ITC/P16.E/PMD/TSU ; 98-6). - ISBN 92-9137-093-2[MFN: 3278]

UDC: 658.562 + 334.75(1-773)

• Riddle, Dorothy I. (auth.); 
• ITC;  ISO; 

E 4.952/5 = 658.562/I-69 - სამოქალაქო განათლების დარბაზი