THE DEALING OF SCIENTIFIC AREA IN ELEMENTARY EDUCATION IN THE GDR -COMPARISON OF THE NEW AND THE OLD COURSES OF STUDY IN "HEIMATKUNDE" 論文 Junji MIYANO ·1990-01-01 ·『Bulletin of Society of Japan Science Teaching』 31(2) pp. 1-8 doi:10.11639/formersjst.31.2_1