Scales for measuring results of physics teaching Camp, Harold Laverne. creator text bibliography iau Iowa City The University [1921] 1921 monographic eng
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51 p. diagrs. 24 cm. by Harold Laverne Camp, PH.D. On cover: University of Iowa studies. 1st ser., no. 54. October 1, 1921. Bibliography: p. 51. Physics Study and teaching Grading and marking (Students) LB5 .I6 vol. 2, no. 2 370.82 s University of Iowa studies in education ... vol. II, no. 2 e 21000551 U.S. Off. of educ. Library 870805 20260227111212.0 e 21000551