RULON, PHILLIP JUSTIN, — The sound motion picture in science teaching.
Prima edizione
Cambridge (Mass.), Harvard U.P., 1933. (1st ed.). (XIII)+236 pp. With 21 tables. Bibliogr Hardcover. Or. maroon cloth. (Top edge sl. dustst.). VG/--. Harvard Studies in Education, 20.
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Numero libro:
43781
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