Bhat, L. S. Field work and laboratory techniques in geography : a practical geography textbook for classes xi-xii / L. S. Bhat and Aslam Mahmood - New Delhi : National Council of Educational Research and Training , 1993 - viii, 156 p. : ill. ; 24 cm. ISBN: Rs. 17.00 Subjects--Topical Terms: Geography Dewey Class. No.: 910