vidhānena
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by regulative principles — Madhya 6.102
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by the regulations — Ādi 3.51
pāka-yajña-vidhānena
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according to the injunctions of the Gṛhya-sūtras — SB 6.19.22
pitṛ-medha-vidhānena
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by the funeral ceremony performed by the son after the death of his father or some family member — SB 9.10.29