R.N. , Ghosh
A test book of sound for BSC students / Ghosh R. N. - New Delhi : Llakated Indiom Press; 1940. - 353 p. : 21 cm .
Includes Indexes.
--Sounds.
534 / GHS
A test book of sound for BSC students / Ghosh R. N. - New Delhi : Llakated Indiom Press; 1940. - 353 p. : 21 cm .
Includes Indexes.
--Sounds.
534 / GHS