Manava Dharmashastra 11.70

Manvarthacandrikā 11.70

( 4 ) rāghavandvaḥ | śiṣyasya vedagrahaṇaniyamamāha adhyeṣyamāṇaiti tribhiḥ | laghuvāsā gurutolaghuvāsāḥpavitravāsāvāevaṃvidhaevādhyāpyaḥ |