Boulind, Henry Frederick. The teaching of physics in tropical secondary schools / Henry Frederick Boulind, - London, Oxford University Press, 1957. - xxii, 394 p. illus., diagrs. 23 cm. - UNESCO handbooks on the teaching of science in tropical countries ; v. 8 . Bibliography: p. [336]-340. Subjects--Topical Terms: Physics--Study and teaching (Secondary) LC Class. No.: QC530 / .B65 1957 Dewey Class. No.: 530.712 / BOU 1957