PURCHASERS MUST CHOOSE BETWEEN A FIXED MENU OF SERVICES AND PROVIDERS OR ALLOW USERS AND PROVIDERS TO WIDEN THE RANGE OF CHOICES
Wedi'i Gadw mewn:
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| Awduron Eraill: | |
| Fformat: | Journal Article |
| Iaith: | Saesneg |
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| Tagiau: |
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
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