00734nam a2200253Ia 4500 57113 BIBL 20160527190350.0 711105s1971 iau b 00010 eng 79170715 0697073637 EVLR RA564 .H34 613/.0433 613.04 H138h Hafen, Brent Q. 107324 Local Health for the secondary teacher [by] Brent Q. Hafen. Dubuque, Iowa W. C. Brown Co. Publishers [1971] xiii, 337 p. 23 cm. 921004 Includes bibliographical references. Students Health and hygiene 175282 Local School hygiene 166424 Local 43605 43605 0 0 0 613_040000000000000_H138H 0 evref 113082 10 10 9 2016-05-27 82662 0 613.04 H138h 80000000184096 2016-05-27 00:00:00 r:57113 z:NCC:D 9