Chowdhury, P. N., 1925- A study on the conservation of foreign exchange by the national laboratories, by P. N. Chowdhury. - New Delhi, Council of Scientific & Industrial Research [1966] - 15 p. 26 cm. LCCN: sa 67002653 Subjects--Topical Terms: Foreign exchange--India.Research--India.Finance--Research--India. LC Class. No.: HG3971 / .C5 Dewey Class. No.: 332.4/5/0954