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There are 172 songs in history that have been certified diamond — here they all are
The RIAA reserves its diamond award for songs that have gone platinum 10 times. Fewer than 200 songs throughout history have ...
Houston Chronicle4d
Diamond Model for Organizational Effectiveness
There are at least three diamond business models focused on organizational effectiveness. Porter's Diamond Model for Competitive Advantage, the diamond model of effectiveness by Edward Lawler III ...