Naradapurana 1.68.82

Nāradapurāṇa 1.68.82

vacāṃ niṣkārddhabhāgaṃ ca tadarddhaṃ vā manuṃ japet /
viśodhya cūrṇaṃ prasṛtau gavāṃ mūtre vinikṣipet //