Das, Jahar lal
Manual of hygiene and public health / Jahar lal Das. - Calcutta: Butterworth & co, c1932. - xviii, 659 p. 19 cm.
Includes index.
English.
public health.
613/DAM
Manual of hygiene and public health / Jahar lal Das. - Calcutta: Butterworth & co, c1932. - xviii, 659 p. 19 cm.
Includes index.
English.
public health.
613/DAM