Teaching science in an outdoors environment :
Gross,phyllis .
Teaching science in an outdoors environment : Handbook for students parents,teachers,and camp leaders / Phyllis Gross and Esther P.Railton. - London : University of Califorilia , 1972. - 188 p. : ill. ; 20 cm.
Includes bibliographical references and index.
0-520-02148-7
Natural history--Study and teaching (Elementary)
500.9071 / GRO
Teaching science in an outdoors environment : Handbook for students parents,teachers,and camp leaders / Phyllis Gross and Esther P.Railton. - London : University of Califorilia , 1972. - 188 p. : ill. ; 20 cm.
Includes bibliographical references and index.
0-520-02148-7
Natural history--Study and teaching (Elementary)
500.9071 / GRO