Skandapurana 8.9.23_169

8.9.23_169

tato gacchenmahādevi kuberasthānamuttamam .. yatra siddhaḥ purā devi kubero dhanado'bhavat
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Then, O great goddess, one should go to the supreme abode of Kubera, / where of old, O goddess, Kubera became perfected as Dhanada. // 1